A265370 a(0) = 0; for n >= 1, a(n) = A070939(A078510(n)).

0, 1, 1, 1, 1, 1, 1, 1, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 11, 11, 12, 12, 12, 12, 12, 12, 12, 12, 12, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 14, 14

Offset: 0

Author

Antti Karttunen, Dec 16 2015

Keywords

• nonn

Comments

Number of significant bits in the binary representation of n-th Spironacci number, A078510(n).

Links

• Antti Karttunen, Table of n, a(n) for n = 0..8192

Crossrefs

Cf. A070939, A078510.

Cf. also A020909.

Formula

a(0) = 0; for n >= 1, a(n) = A070939(A078510(n)).