A265336 Number of nonleading 0-bits in bijective base-3 reversal of n: a(n) = A080791(A263273(n)).

0, 0, 1, 0, 2, 0, 1, 1, 3, 2, 2, 2, 2, 1, 2, 2, 4, 2, 3, 1, 3, 0, 1, 1, 3, 3, 2, 1, 2, 1, 1, 3, 6, 2, 2, 4, 4, 0, 2, 2, 4, 4, 5, 3, 4, 0, 4, 1, 4, 2, 4, 3, 3, 2, 2, 1, 3, 4, 3, 5, 2, 1, 4, 2, 5, 1, 3, 3, 5, 4, 3, 3, 5, 3, 1, 2, 3, 3, 3, 2, 5, 4, 4, 4, 4, 2, 2, 4, 6, 3, 3, 2, 4, 1, 2, 3, 6, 5, 4, 3, 4, 3, 5, 0, 5, 2, 4, 2, 3, 3, 4, 2, 4, 5, 3, 4, 3, 2, 2, 2, 3, 2, 4, 4, 5, 3, 4, 2, 4

Offset: 0

Author

Antti Karttunen, Dec 18 2015

Keywords

• nonn
• base

Links

• Antti Karttunen, Table of n, a(n) for n = 0..16384

Crossrefs

Cf. A080791, A263273, A265337, A265339, A265340.

Formula

a(n) = A080791(A263273(n)).

a(0) = 0, a(2n) = 1 + a(A265339(n)), a(2n+1) = a(A265339(n)).

a(n) = A265340(n) - A265337(n).