A249592 - cp's OEIS frontend

A249592 E.g.f.: exp(1)*P(x) - Q(x), where P(x) = 1/Product_{n>=1} (1 - x^n/n^2) and Q(x) = Sum_{n>=1} 1/Product_{k=1..n} (k - x^k/k).

n	a(n)
0	1
1	1
2	6
3	64
4	1192
5	32360
6	1257880
7	64644520
8	4315649600
9	360332919360
10	36979925855040
11	4564758983929920
12	668857835862650880
13	114624254940995404800
14	22742780483191398589440
15	5169745984444274224143360
16	1335478685859609449305006080
17	388956774210908224056394014720

[1, 1, 6, 64, 1192, 32360, 1257880, 64644520, 4315649600, 360332919360, 36979925855040, 4564758983929920, 668857835862650880, 114624254940995404800, 22742780483191398589440, 5169745984444274224143360, 1335478685859609449305006080, 388956774210908224056394014720]

cp's OEIS Frontend

A249592 E.g.f.: exp(1)*P(x) - Q(x), where P(x) = 1/Product_{n>=1} (1 - x^n/n^2) and Q(x) = Sum_{n>=1} 1/Product_{k=1..n} (k - x^k/k).

Table of values

List of values