A118979 - cp's OEIS frontend

A118979 O.g.f: -12x^3/(-1+x)/(-1+2x)/(-1+3x) = -2-2/(-1+3x)-6/(-1+x)+6/(-1+2*x) .

n	a(n)
3	12
4	72
5	300
6	1080
7	3612
8	11592
9	36300
10	111960
11	342012
12	1038312
13	3139500
14	9467640
15	28501212
16	85700232
17	257493900
18	773268120
19	2321377212
20	6967277352
21	20908123500
22	62736953400
23	188236026012
24	564758409672
25	1694375892300

[12, 72, 300, 1080, 3612, 11592, 36300, 111960, 342012, 1038312, 3139500, 9467640, 28501212, 85700232, 257493900, 773268120, 2321377212, 6967277352, 20908123500, 62736953400, 188236026012, 564758409672, 1694375892300]

cp's OEIS Frontend

A118979 O.g.f: -12x^3/(-1+x)/(-1+2x)/(-1+3x) = -2-2/(-1+3x)-6/(-1+x)+6/(-1+2*x) .

Table of values

List of values

cp's OEIS Frontend

A118979 O.g.f: -12*x^3/(-1+x)/(-1+2*x)/(-1+3*x) = -2-2/(-1+3*x)-6/(-1+x)+6/(-1+2*x) .

Table of values

List of values

A118979 O.g.f: -12x^3/(-1+x)/(-1+2x)/(-1+3x) = -2-2/(-1+3x)-6/(-1+x)+6/(-1+2*x) .