A305199 - cp's OEIS frontend

A305199 Expansion of e.g.f. Product_{k>=1} (1 + x^k/k)/(1 - x^k/k).

n	a(n)
0	1
1	2
2	6
3	28
4	152
5	1008
6	7756
7	67688
8	659424
9	7123776
10	84154224
11	1079913888
12	14962632384
13	222447507072
14	3531920599008
15	59664827178048
16	1067975819206656
17	20192760528611328
18	402169396496004864
19	8414121277765679616
20	184498963978904644608
21	4231186653661629843456

[1, 2, 6, 28, 152, 1008, 7756, 67688, 659424, 7123776, 84154224, 1079913888, 14962632384, 222447507072, 3531920599008, 59664827178048, 1067975819206656, 20192760528611328, 402169396496004864, 8414121277765679616, 184498963978904644608, 4231186653661629843456]

cp's OEIS Frontend

A305199 Expansion of e.g.f. Product_{k>=1} (1 + x^k/k)/(1 - x^k/k).

Table of values

List of values