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0, 1, 4, 7, 14, 17, 24, 31, 46, 49, 56, 63, 78, 85, 100, 115, 146, 149, 156, 163, 178, 185, 200, 215, 246, 253, 268, 283, 314, 329, 360, 391, 454, 457, 464, 471, 486, 493, 508, 523, 554, 561, 576, 591, 622, 637, 668, 699, 762, 769, 784, 799, 830, 845, 876, 907
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,3
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COMMENTS
| More precisely, a(n)=sum(i<n, A159913(i)), since we want the sequence to start with a(0)=0 and not with A159913(0)=1.
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FORMULA
| a(n) = sum( i=0...n-1, A159913(i)) = sum(i=0..n-1, 2^A000120(i))*2-n
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PROG
| (PARI) A159912(n)=sum(i=0, n-1, 1<<norml2(binary(i)))*2-n
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CROSSREFS
| Cf. A000120, A038573.
Sequence in context: A062380 A072031 A007437 * A183060 A049766 A161426
Adjacent sequences: A159909 A159910 A159911 * A159913 A159914 A159915
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KEYWORD
| nonn
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AUTHOR
| M. F. Hasler (www.univ-ag.fr/~mhasler), May 03 2009
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