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A028358 Partial sums of A028357. 0
1, 4, 10, 20, 33, 48, 64, 82, 103, 128, 156, 186, 217, 250, 286, 326, 369, 414, 460, 508, 559, 614, 672, 732, 793, 856, 922, 992, 1065, 1140, 1216, 1294, 1375, 1460, 1548, 1638, 1729, 1822, 1918, 2018, 2121 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..40.

Index entries for linear recurrences with constant coefficients, signature (3,-3,0,3,-3,1).

FORMULA

G.f.: ( -1-x-x^2-2*x^3 ) / ( (1+x)*(x^2-x+1)*(x-1)^3 ). - R. J. Mathar, Dec 15 2015

CROSSREFS

Sequence in context: A008050 A008039 A024986 * A140229 A100440 A027373

Adjacent sequences:  A028355 A028356 A028357 * A028359 A028360 A028361

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified May 28 21:37 EDT 2020. Contains 334690 sequences. (Running on oeis4.)