A294845 - cp's OEIS frontend

A294845 Expansion of Product_{k>=1} (1 + x^k)^(k(k+1)(2*k-1)/2).

n	a(n)
0	1
1	1
2	9
3	39
4	136
5	511
6	1785
7	6139
8	20404
9	66406
10	211418
11	660752
12	2030172
13	6139231
14	18300573
15	53823451
16	156344596
17	448886205
18	1274840165
19	3583595734
20	9976530997
21	27520998775
22	75262394273
23	204130567402
24	549318633095
25	1467178746342
26	3890697051314
27	10246833932820
28	26809705578787
29	69702402930045

[1, 1, 9, 39, 136, 511, 1785, 6139, 20404, 66406, 211418, 660752, 2030172, 6139231, 18300573, 53823451, 156344596, 448886205, 1274840165, 3583595734, 9976530997, 27520998775, 75262394273, 204130567402, 549318633095, 1467178746342, 3890697051314, 10246833932820, 26809705578787, 69702402930045]

cp's OEIS Frontend

A294845 Expansion of Product_{k>=1} (1 + x^k)^(k(k+1)(2*k-1)/2).

Table of values

List of values

cp's OEIS Frontend

A294845 Expansion of Product_{k>=1} (1 + x^k)^(k*(k+1)*(2*k-1)/2).

Table of values

List of values

A294845 Expansion of Product_{k>=1} (1 + x^k)^(k(k+1)(2*k-1)/2).