1,2

This sequence is A118655 without the trivial examples k*2^n.

The first three numbers such that Hamming weight (n) is greater than Hamming weight (n^3) are 407182835067, 445317119867 and 478351981947.

a(17) > 2^40. - Donovan Johnson, May 05 2012

Table of n, a(n) for n=1..16.

A000120(a(n)) = A000120(a(n)^3) with a(n) odd

Cf. A118655.

Sequence in context: A145685 A333951 A292788 * A206758 A019290 A069335

Adjacent sequences: A138594 A138595 A138596 * A138598 A138599 A138600

nonn,base

Martin Raab, May 13 2008

a(14)-a(16) from Donovan Johnson, May 05 2012

approved