Questions tagged [number-sequence]
A puzzle in which the hidden pattern behind a given sequence of numbers (and, often, the next term) is to be found. Use with [sequence]
891
questions
2
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1
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Please find the next number in this sequence: 121, 25, 36, 49, 16, 9,?
Here is the sequence:
121, 25, 36, 49, 16, 9, ?
What should be written instead of the question mark?
Note: Angles in a clock (seconds aren't considered)
4
votes
1
answer
213
views
Finding the next number in this sequence: 184275, 8292375, 3108105, ...,
I created this puzzle myself. Find the next number in this sequence and explain:
184275,
8292375,
3108105,
54729675,
147349125,
1587160575,
24135786675,
20906353125,
214266677625,
1676096296875,
...
2
votes
8
answers
917
views
Find a more elegant explanation for the sequence 01, 10, 13, 20, 25, 30, 37, 40
Some sequences like 1, 2, 4, 5, 10, 11, 22, ... can be explained by a two-part rule:
Consider the following sequence:
S = 01, 10, 13, 20, 25, 30, 37, 40, ...
It is fairly easy to find a two-part rule ...
4
votes
1
answer
213
views
What number completes the sequence? 2, 1, 7.5, ...,
What number completes the sequence?
2 , 1 , 7.5 , 6.5 , 5 , 6.5 , 7.5 , 5 , 6.5 , 7.5 , 1 , 6.5 , 7.5 , 6.5 , 5 , 4.5 , ...
0
votes
1
answer
128
views
What is the pattern in the sequence? -1, 3/2, -13/6, 25/8
It happens to be useful to me to understand the pattern in this list of numbers:
$$-1, \frac{3}{2}, -\frac{13}6, \frac{25}8, -\frac{541}{120}, \frac{1561}{240}, -\frac{47293}{5040}, \frac{36389}{2688},...
2
votes
1
answer
111
views
Number sequence puzzle: 14, 32, 69, 05,?
I made this puzzle on my own, feel free to solve it. Sequence is as follows: 14, 32, 69, 05, ?
-1
votes
1
answer
159
views
Numerical sequence 942, 138, 424,?
Homemade number sequence puzzle, quite easy. Sequence: 942, 138, 424, ?
3
votes
1
answer
300
views
Number salad with a meaning
617181419920141
128131119
1331152419
54141131811
Your goal is to explain what number sequence should come next and what it means.
2
votes
1
answer
124
views
Meaning of sequence 11011010000000111000000000
What is the meaning and significance of the following sequence of digits?
11011010000000111000000000
Hint:
0
votes
1
answer
259
views
Numerical sequence puzzle: 552175, 228496, 198479, 583317, 140554, 114383, 117045, ?,?
So here's the sequence, that I composed on my own.
Think trees and 🟡 : 🟡
552175, 228496, 198479, 583317, 140554, 114419, 117046, ?, ?
1
vote
0
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Continuing the hexadecimal sequence 9bf66a6a87, 9bfd91c857, 9c0501e2ae, 9c0991af27, 9c0d27e6ec, [closed]
Given the following sequence of hexadecimals, figure out how to generate the next few in the sequence:
9bf66a6a87
9bfd91c857
9c0501e2ae
9c0991af27
9c0d27e6ec
My ...
9
votes
1
answer
903
views
2,6,?,30,-270 number sequence
Got this number sequence puzzle from a friend.
-1
votes
1
answer
119
views
Numerical Sequence Puzzle: 8388607, 536870911, 2147483647,?
Sequence puzzle made by me. 8388607, 536870911, 2147483647, ?
8
votes
1
answer
177
views
Two numerical sequences
Two numerical sequences made by me. Make sure to provide reasoning.
90,81,65,29,9,?
46656, 823543, 16777216, ?
5
votes
1
answer
225
views
Homemade number sequence puzzle
A homemade number sequence puzzle. The sequence is as follows:
001, 1001, 00001, ?, 001001