A293302 - cp's OEIS frontend

A293302 E.g.f.: Product_{m>0} 1/(1 - x^m + x^(2*m)/2!).

n	a(n)
0	1
1	1
2	3
3	12
4	66
5	450
6	3510
7	32760
8	335160
9	3832920
10	48648600
11	673596000
12	9961736400
13	161026866000
14	2775402630000
15	50713246584000
16	987048958896000
17	20331148966128000
18	440625863806128000
19	10057578887708352000
20	240218186856167520000
21	6010719623406257760000

[1, 1, 3, 12, 66, 450, 3510, 32760, 335160, 3832920, 48648600, 673596000, 9961736400, 161026866000, 2775402630000, 50713246584000, 987048958896000, 20331148966128000, 440625863806128000, 10057578887708352000, 240218186856167520000, 6010719623406257760000]

cp's OEIS Frontend

A293302 E.g.f.: Product_{m>0} 1/(1 - x^m + x^(2*m)/2!).

Table of values

List of values