A174654 Partial sums of A030279.

1, 9, 59, 335, 1732, 8404, 38969, 174637, 762063, 3255119, 13662512, 56511312, 230859729, 933104857, 3736739227, 14843364031, 58540883044, 229411923796, 893904838857, 3465221557357, 13370453635199

Offset: 1

Author

Jonathan Vos Post, Mar 25 2010

Keywords

• nonn
• easy

Links

• Index entries for linear recurrences with constant coefficients, signature (12,-54,115,-132,108,-59,24,-6,1).

Crossrefs

Cf. A030279.

Programs

Mathematica

LinearRecurrence[{12,-54,115,-132,108,-59,24,-6,1},{1,9,59,335,1732,8404,38969,174637,762063},30] (* Harvey P. Dale, Nov 07 2022 *)

Formula

a(n) = Sum_{i=1..n} A030279(i).

G.f.: x*(x-1)^2*(x+1)*(x^3-4*x^2+2*x-1) / (x^3-2*x^2+4*x-1)^3. - Colin Barker, Apr 21 2013