A279216 - cp's OEIS frontend

A279216 Expansion of Product_{k>=1} 1/(1 - x^k)^(k^2*(k+1)/2).

n	a(n)
0	1
1	1
2	7
3	25
4	86
5	269
6	862
7	2606
8	7812
9	22704
10	64989
11	182356
12	504414
13	1373694
14	3693367
15	9804435
16	25733084
17	66808578
18	171719539
19	437183839
20	1103143657
21	2760037810
22	6850400668
23	16873338215
24	41260373472
25	100196920196
26	241712863504
27	579416535973
28	1380517695672
29	3270075208145
30	7702580246941

[1, 1, 7, 25, 86, 269, 862, 2606, 7812, 22704, 64989, 182356, 504414, 1373694, 3693367, 9804435, 25733084, 66808578, 171719539, 437183839, 1103143657, 2760037810, 6850400668, 16873338215, 41260373472, 100196920196, 241712863504, 579416535973, 1380517695672, 3270075208145, 7702580246941]

cp's OEIS Frontend

A279216 Expansion of Product_{k>=1} 1/(1 - x^k)^(k^2*(k+1)/2).

Table of values

List of values