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A329507 Expansion of (1 + x)*(1 + 2*x + 2*x^2 + 2*x^3 - 3*x^4) / (1 - x). 1
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
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.
Sequence in context: A158457 A072905 A086481 * A046129 A092930 A009012
KEYWORD
nonn,easy
AUTHOR
N. J. A. Sloane, Nov 20 2019
STATUS
approved

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Last modified March 28 14:38 EDT 2024. Contains 371254 sequences. (Running on oeis4.)