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A329510 Expansion of (1 + x)*(1 + x + x^2)*(1 + x^2 - x^3) / (1 - x). 1
1, 3, 6, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..84.

FORMULA

a(n) = 6 for n >= 6.

PROG

(PARI) Vec((1 + x)*(1 + x + x^2)*(1 + x^2 - x^3) / (1 - x) + O(x^60)) \\ Colin Barker, Nov 23 2019

CROSSREFS

Row 3 of array in A329508.

Sequence in context: A202300 A244467 A200590 * A036265 A016663 A023993

Adjacent sequences:  A329507 A329508 A329509 * A329511 A329512 A329513

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane, Nov 22 2019

STATUS

approved

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Last modified February 26 21:58 EST 2020. Contains 332295 sequences. (Running on oeis4.)