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A329511 Expansion of (1 + x)*(1 + x^2)^2*(1 + x - x^3) / (1 - x). 1
1, 3, 6, 9, 11, 11, 10, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..83.

FORMULA

a(n) = 8 for n >= 8.

PROG

(PARI) Vec((1 + x)*(1 + x^2)^2*(1 + x - x^3) / (1 - x) + O(x^80)) \\ Colin Barker, Nov 23 2019

CROSSREFS

Row 4 of array in A329508.

Sequence in context: A107084 A224353 A224012 * A065940 A024795 A000408

Adjacent sequences:  A329508 A329509 A329510 * A329512 A329513 A329514

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane, Nov 22 2019

STATUS

approved

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Last modified January 17 23:37 EST 2020. Contains 330995 sequences. (Running on oeis4.)