A105553 a(n) is the number of 1's in A103528(n) written in base 2.

0, 0, 1, 0, 1, 1, 1, 0, 1, 1, 2, 0, 1, 1, 1, 0, 1, 1, 2, 1, 1, 1, 1, 0, 1, 1, 2, 0, 1, 1, 1, 0, 1, 1, 2, 1, 2, 1, 1, 0, 1, 1, 2, 0, 1, 1, 1, 0, 1, 1, 2, 1, 1, 1, 1, 0, 1, 1, 2, 0, 1, 1, 1, 0, 1, 1, 2, 1, 2, 2, 1, 0, 1, 1, 2, 0, 1, 1, 1, 0, 1, 1, 2, 1, 1, 1, 1, 0, 1, 1, 2, 0, 1, 1, 1, 0, 1, 1, 2

Offset

1,11

Links

Table of n, a(n) for n=1..99.

David Applegate, Benoit Cloitre, Philippe Deléham and N. J. A. Sloane, Sloping binary numbers: a new sequence related to the binary numbers [pdf, ps].

Formula

a(n) = A103318(n) - 1.

Crossrefs

For records see A034797. Cf. A103318, A103528.

Sequence in context: A341022 A340454 A342682 * A342026 A262696 A344986

Adjacent sequences: A105550 A105551 A105552 * A105554 A105555 A105556

Keyword

nonn

Author

Philippe Deléham, May 03 2005

Status

approved