A353822 - cp's OEIS frontend

A353822 Product_{n>=1} (1 + x^n/n!)^a(n) = exp(-x)/(1 - x).

n	a(n)
1	0
2	1
3	2
4	9
5	24
6	110
7	720
8	5985
9	39200
10	343224
11	3628800
12	41295870
13	479001600
14	6130959120
15	87104969952
16	1318070979225
17	20922789888000
18	354344089779680
19	6402373705728000
20	121882240625961816
21	2432849766865689600
22	51041049953430700800
23	1124000727777607680000

[0, 1, 2, 9, 24, 110, 720, 5985, 39200, 343224, 3628800, 41295870, 479001600, 6130959120, 87104969952, 1318070979225, 20922789888000, 354344089779680, 6402373705728000, 121882240625961816, 2432849766865689600, 51041049953430700800, 1124000727777607680000]

cp's OEIS Frontend

A353822 Product_{n>=1} (1 + x^n/n!)^a(n) = exp(-x)/(1 - x).

Table of values

List of values