A110308 - cp's OEIS frontend

A110308 Expansion of -x(2+x)/((1+x+x^2)(1+5*x+x^2)).

n	a(n)
0	0
1	-2
2	11
3	-52
4	247
5	-1182
6	5664
7	-27140
8	130037
9	-623044
10	2985181
11	-14302860
12	68529120
13	-328342742
14	1573184591
15	-7537580212
16	36114716467
17	-173036002122
18	829065294144
19	-3972290468600
20	19032387048857
21	-91189644775684
22	436915836829561
23	-2093389539372120

[0, -2, 11, -52, 247, -1182, 5664, -27140, 130037, -623044, 2985181, -14302860, 68529120, -328342742, 1573184591, -7537580212, 36114716467, -173036002122, 829065294144, -3972290468600, 19032387048857, -91189644775684, 436915836829561, -2093389539372120]

cp's OEIS Frontend

A110308 Expansion of -x(2+x)/((1+x+x^2)(1+5*x+x^2)).

Table of values

List of values

cp's OEIS Frontend

A110308 Expansion of -x*(2+x)/((1+x+x^2)*(1+5*x+x^2)).

Table of values

List of values

A110308 Expansion of -x(2+x)/((1+x+x^2)(1+5*x+x^2)).