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A230088 Partial sums of A010062. 1
1, 3, 6, 11, 18, 28, 40, 54, 71, 90, 112, 137, 165, 196, 232, 270, 311, 355, 402, 454, 509, 569, 633, 698, 765, 835, 908, 984, 1063, 1147, 1234, 1326, 1422, 1520, 1621, 1726, 1835, 1949, 2067, 2190, 2319, 2450, 2584, 2721, 2861, 3004, 3152, 3303, 3459, 3619 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..49.

Kenneth B. Stolarsky, The sum of a digitaddition series, Proc. Amer. Math. Soc. 59 (1976), no. 1, 1--5. MR0409340 (53 #13099).

FORMULA

a(n) ~ (n^2/4)*log_2(n). [Stolarsky]

PROG

(PARI) lista(nn) = {a = 1; sa = 0; for (n=2, nn, sa += a; print1(sa, ", "); a += hammingweight(a); ); } \\ Michel Marcus, Apr 04 2015

CROSSREFS

Cf. A010062.

Sequence in context: A172046 A014125 A147456 * A011849 A173690 A178855

Adjacent sequences:  A230085 A230086 A230087 * A230089 A230090 A230091

KEYWORD

nonn,base

AUTHOR

N. J. A. Sloane, Oct 08 2013

EXTENSIONS

More terms from Michel Marcus, Apr 04 2015

STATUS

approved

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Last modified October 18 04:57 EDT 2019. Contains 328145 sequences. (Running on oeis4.)