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A298023 Partial sums of A298022. 2
1, 4, 11, 23, 40, 63, 91, 124, 161, 203, 250, 301, 357, 418, 483, 553, 628, 707, 791, 880, 973, 1071, 1174, 1281, 1393, 1510, 1631, 1757, 1888, 2023, 2163, 2308, 2457, 2611, 2770, 2933, 3101, 3274, 3451, 3633, 3820, 4011, 4207, 4408, 4613, 4823, 5038, 5257 (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 22 2018: (Start)

G.f.: (1 + 2*x + 4*x^2 + 4*x^3 + 3*x^4 + 2*x^5 - 2*x^8) / ((1 - x)^3*(1 + x + x^2)).

a(n) = 2*a(n-1) - a(n-2) + a(n-3) - 2*a(n-4) + a(n-5) for n>5.

(End)

CROSSREFS

Cf. A298022.

Sequence in context: A225257 A009907 A301159 * A027378 A131177 A092498

Adjacent sequences:  A298020 A298021 A298022 * A298024 A298025 A298026

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Jan 21 2018

EXTENSIONS

More terms from Rémy Sigrist, Jan 21 2018

STATUS

approved

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Last modified April 20 14:27 EDT 2019. Contains 322310 sequences. (Running on oeis4.)