Thanks to everyone who made a donation during our annual appeal! To see the list of donors, or make a donation, see the OEIS Foundation home page.
0,2
Table of n, a(n) for n=0..83.
a(n) = 8 for n >= 8.
(PARI) Vec((1 + x)*(1 + x^2)^2*(1 + x - x^3) / (1 - x) + O(x^80)) \\ Colin Barker, Nov 23 2019
Row 4 of array in A329508.
Sequence in context: A107084 A224353 A224012 * A065940 A024795 A000408
Adjacent sequences: A329508 A329509 A329510 * A329512 A329513 A329514
nonn,easy
N. J. A. Sloane, Nov 22 2019
approved