edited body

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edited Jul 3 at 10:29

Google Sheets, 41 bytes

=index(let(i,2^(row(A:A)-1),mid(A1,i,i)))

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=index(let(i,2^(row(A:A)-1),mid(A1,i,i)))

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=index(let(i,2^(row(A:A)-1),mid(A1,i,i)))

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use let() and z's row()

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edited Jul 3 at 9:56

Google Sheets, 5741 bytes

=index(midlet(A1i,2^sequence2^(99,row(A:A)-1,),2^(1+sequencemid(99A1,1i,-1)i)))

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=index(mid(A1,2^sequence(99,1,),2^(1+sequence(99,1,-1))))

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=index(let(i,2^(row(A:A)-1),mid(A1,i,i)))

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created Jul 2 at 23:04

=index(mid(A1,2^sequence(99,1,),2^(1+sequence(99,1,-1))))

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