A303390 - cp's OEIS frontend

A303390 Expansion of Product_{k>=1} (1 + 3x^k)/(1 - 3x^k).

n	a(n)
0	1
1	6
2	24
3	96
4	330
5	1104
6	3552
7	11184
8	34584
9	105990
10	322224
11	975264
12	2942016
13	8857680
14	26631312
15	80005632
16	240219114
17	721036320
18	2163789816
19	6492625152
20	19480105392
21	58444390176
22	175340344416
23	526034008752
24	1578124753152
25	4734415061142
26	14203316252400

[1, 6, 24, 96, 330, 1104, 3552, 11184, 34584, 105990, 322224, 975264, 2942016, 8857680, 26631312, 80005632, 240219114, 721036320, 2163789816, 6492625152, 19480105392, 58444390176, 175340344416, 526034008752, 1578124753152, 4734415061142, 14203316252400]

cp's OEIS Frontend

A303390 Expansion of Product_{k>=1} (1 + 3x^k)/(1 - 3x^k).

Table of values

List of values

cp's OEIS Frontend

A303390 Expansion of Product_{k>=1} (1 + 3*x^k)/(1 - 3*x^k).

Table of values

List of values

A303390 Expansion of Product_{k>=1} (1 + 3x^k)/(1 - 3x^k).