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A160799
Partial sums of A160410.
1
0, 4, 20, 48, 112, 188, 300, 448, 704, 972, 1276, 1616, 2064, 2548, 3140, 3840, 4864, 5900, 6972, 8080, 9296, 10548, 11908, 13376, 15168, 16996, 18932, 20976, 23344, 25820, 28620, 31744, 35840, 39948, 44092, 48272, 52560, 56884, 61316, 65856
OFFSET
1,2
PROG
(PARI) a(n)=4*sum(i=0, n-1, (n-i)*3^hammingweight(i)) \\ Charles R Greathouse IV, Aug 25 2016
CROSSREFS
KEYWORD
nonn
AUTHOR
Omar E. Pol, Jun 14 2009
EXTENSIONS
More terms from Max Alekseyev, Dec 12 2011
STATUS
approved