A321522 - cp's OEIS frontend

A321522 Expansion of Product_{k>=1} (1 + x^k)^((k-1)!).

n	a(n)
0	1
1	1
2	1
3	3
4	8
5	32
6	153
7	883
8	5980
9	46660
10	411861
11	4057263
12	44104688
13	524243696
14	6762188285
15	94055795999
16	1403061499362
17	22342571084082
18	378257158227079
19	6783952072695685
20	128481050502464062
21	2562250926987454694
22	53668572808754641369
23	1177957644341460946099

[1, 1, 1, 3, 8, 32, 153, 883, 5980, 46660, 411861, 4057263, 44104688, 524243696, 6762188285, 94055795999, 1403061499362, 22342571084082, 378257158227079, 6783952072695685, 128481050502464062, 2562250926987454694, 53668572808754641369, 1177957644341460946099]

cp's OEIS Frontend

A321522 Expansion of Product_{k>=1} (1 + x^k)^((k-1)!).

Table of values

List of values