A354505 - cp's OEIS frontend

A354505 Expansion of e.g.f. ( Product_{k>0} (1 + x^k)^(1/k!) )^exp(x).

n	a(n)
0	1
1	1
2	3
3	13
4	54
5	291
6	1778
7	12167
8	82869
9	655100
10	5658257
11	51691806
12	454932679
13	4527660281
14	48270581011
15	553646849053
16	5561424579562
17	72988254250439
18	1010390962699396
19	12295679951427509
20	67360732923382327
21	1515500302797716376
22	45199587363022824107
23	1001538050395504921200
24	-699211952404047871075

[1, 1, 3, 13, 54, 291, 1778, 12167, 82869, 655100, 5658257, 51691806, 454932679, 4527660281, 48270581011, 553646849053, 5561424579562, 72988254250439, 1010390962699396, 12295679951427509, 67360732923382327, 1515500302797716376, 45199587363022824107, 1001538050395504921200, -699211952404047871075]

cp's OEIS Frontend

A354505 Expansion of e.g.f. ( Product_{k>0} (1 + x^k)^(1/k!) )^exp(x).

Table of values

List of values