A308336 - cp's OEIS frontend

A308336 Expansion of e.g.f. exp(-1 + Product_{k>=1} (1 + x^k/k!)).

n	a(n)
0	1
1	1
2	2
3	8
4	31
5	147
6	884
7	5567
8	39176
9	311400
10	2644490
11	24206327
12	239684768
13	2519262527
14	28077597357
15	331892965533
16	4130002336563
17	53944450834303
18	738940309779760
19	10577568411051305
20	157846971489443335
21	2452481386778640564
22	39589449956634478543

[1, 1, 2, 8, 31, 147, 884, 5567, 39176, 311400, 2644490, 24206327, 239684768, 2519262527, 28077597357, 331892965533, 4130002336563, 53944450834303, 738940309779760, 10577568411051305, 157846971489443335, 2452481386778640564, 39589449956634478543]

cp's OEIS Frontend

A308336 Expansion of e.g.f. exp(-1 + Product_{k>=1} (1 + x^k/k!)).

Table of values

List of values