A307313 - OEIS

A307313

a(n) is the denominator of n/2^(length of the binary representation of n).

2, 2, 4, 2, 8, 4, 8, 2, 16, 8, 16, 4, 16, 8, 16, 2, 32, 16, 32, 8, 32, 16, 32, 4, 32, 16, 32, 8, 32, 16, 32, 2, 64, 32, 64, 16, 64, 32, 64, 8, 64, 32, 64, 16, 64, 32, 64, 4, 64, 32, 64, 16, 64, 32, 64, 8, 64, 32, 64, 16, 64, 32, 64, 2, 128, 64, 128, 32, 128, 64

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OFFSET

1,1

LINKS

Table of n, a(n) for n=1..70.

FORMULA

a(n) = denominator(n/2^A070939(n)).

a(n) = denominator(n/A062383(n)).

a(n) = 2^A070940(n).

EXAMPLE

For n=1, 1 = 1_2, a(1) = denominator(1/(2^1)) = denominator(1/2) = 2;

For n=2, 2 = 10_2, a(2) = denominator(2/(2^2)) = denominator(1/2) = 2;