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A046818 Number of 1's in binary expansion of 3n+1. 0
1, 1, 3, 2, 3, 1, 3, 3, 3, 3, 5, 2, 3, 2, 4, 4, 3, 3, 5, 4, 5, 1, 3, 3, 3, 3, 5, 3, 4, 3, 5, 5, 3, 3, 5, 4, 5, 3, 5, 5, 5, 5, 7, 2, 3, 2, 4, 4, 3, 3, 5, 4, 5, 2, 4, 4, 4, 4, 6, 4, 5, 4, 6, 6, 3, 3, 5, 4, 5, 3, 5, 5, 5, 5, 7, 4, 5, 4, 6, 6, 5, 5, 7, 6, 7, 1, 3, 3, 3, 3, 5, 3, 4 (list; graph; refs; listen; history; internal format)
OFFSET

0,3

LINKS

S. R. Finch, P. Sebah and Z.-Q. Bai, Odd Entries in Pascal's Trinomial Triangle (arXiv:0802.2654)

CROSSREFS

Sequence in context: A107335 A200223 A082391 * A177462 A106584 A131498

Adjacent sequences:  A046815 A046816 A046817 * A046819 A046820 A046821

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 14 04:02 EST 2012. Contains 205570 sequences.