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A105553
a(n) is the number of 1's in A103528(n) written in base 2.
0
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
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
KEYWORD
nonn
AUTHOR
Philippe Deléham, May 03 2005
STATUS
approved