A329507 - OEIS

A329507

Expansion of (1 + x)*(1 + 2*x + 2*x^2 + 2*x^3 - 3*x^4) / (1 - x).

1, 4, 8, 12, 11, 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, 8, 8, 8

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,2

LINKS

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

Index entries for linear recurrences with constant coefficients, signature (1).

FORMULA

a(n) = 8 for n >= 5.

PROG

(PARI) Vec((1 + x)*(1 + 2*x + 2*x^2 + 2*x^3 - 3*x^4) / (1 - x) + O(x^80)) \\ Colin Barker, Nov 21 2019

CROSSREFS

Row 4 of array in A329504.