A281156 - cp's OEIS frontend

A281156 Expansion of Product_{k>=1} (1 + x^k)^(k(k+1)(2*k+1)/6).

n	a(n)
0	1
1	1
2	5
3	19
4	54
5	165
6	467
7	1317
8	3599
9	9687
10	25519
11	66203
12	169254
13	426750
14	1062950
15	2616818
16	6373911
17	15369774
18	36716706
19	86939235
20	204152395
21	475631501
22	1099874363
23	2525418842
24	5759549109
25	13050991205
26	29391523405
27	65801951770
28	146486952644
29	324340095729
30	714389015139

[1, 1, 5, 19, 54, 165, 467, 1317, 3599, 9687, 25519, 66203, 169254, 426750, 1062950, 2616818, 6373911, 15369774, 36716706, 86939235, 204152395, 475631501, 1099874363, 2525418842, 5759549109, 13050991205, 29391523405, 65801951770, 146486952644, 324340095729, 714389015139]

cp's OEIS Frontend

A281156 Expansion of Product_{k>=1} (1 + x^k)^(k(k+1)(2*k+1)/6).

Table of values

List of values

cp's OEIS Frontend

A281156 Expansion of Product_{k>=1} (1 + x^k)^(k*(k+1)*(2*k+1)/6).

Table of values

List of values

A281156 Expansion of Product_{k>=1} (1 + x^k)^(k(k+1)(2*k+1)/6).