OFFSET
0,4
COMMENTS
0's only occur for n=0 and 1, 1's only occur for n=2^k, 2's only occur for n=1+2^k, etc. - Robert G. Wilson v, Apr 01 2005
MATHEMATICA
PascalTwosBitCount[m_] := Plus @@ Table[BitAnd[Binomial[m, k], 2]/ 2, {k, 0, m}]
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Jacob A. Siehler, Apr 03 2005
EXTENSIONS
More terms from Robert G. Wilson v, Apr 01 2005
STATUS
approved