A302448 - cp's OEIS frontend

A302448 Expansion of Product_{k>=1} 1/(1 - x^k)^(k*(k^2+1)/2).

n	a(n)
0	1
1	1
2	6
3	21
4	70
5	210
6	646
7	1881
8	5446
9	15295
10	42355
11	115036
12	308312
13	814023
14	2123431
15	5471967
16	13949888
17	35194914
18	87952796
19	217803302
20	534794576
21	1302545064
22	3148316746
23	7554386885
24	18001627175
25	42613759083
26	100240372671
27	234371794954
28	544812235887

[1, 1, 6, 21, 70, 210, 646, 1881, 5446, 15295, 42355, 115036, 308312, 814023, 2123431, 5471967, 13949888, 35194914, 87952796, 217803302, 534794576, 1302545064, 3148316746, 7554386885, 18001627175, 42613759083, 100240372671, 234371794954, 544812235887]

cp's OEIS Frontend

A302448 Expansion of Product_{k>=1} 1/(1 - x^k)^(k*(k^2+1)/2).

Table of values

List of values