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A298791 Partial sums of A298789. 3
1, 5, 12, 22, 37, 55, 75, 101, 130, 160, 197, 237, 277, 325, 376, 426, 485, 547, 607, 677, 750, 820, 901, 985, 1065, 1157, 1252, 1342, 1445, 1551, 1651, 1765, 1882, 1992, 2117, 2245, 2365, 2501, 2640, 2770, 2917, 3067, 3207, 3365, 3526, 3676, 3845, 4017, 4177 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Rémy Sigrist, Table of n, a(n) for n = 0..1000

FORMULA

Conjectures from Colin Barker, Jan 29 2018: (Start)

G.f.: (1 + x)^4*(1 + x^2) / ((1 - x)^3*(1 + x + x^2)^2).

a(n) = a(n-1) + 2*a(n-3) - 2*a(n-4) - a(n-6) + a(n-7) for n>6.

(End)

CROSSREFS

Cf. A298789.

Sequence in context: A025740 A225247 A299257 * A054307 A172295 A332569

Adjacent sequences:  A298788 A298789 A298790 * A298792 A298793 A298794

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Jan 27 2018

EXTENSIONS

More terms from Rémy Sigrist, Jan 28 2018

STATUS

approved

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Last modified June 2 10:57 EDT 2020. Contains 334771 sequences. (Running on oeis4.)