A249590 - cp's OEIS frontend

A249590 E.g.f.: BesselI(0,2)*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^2 - x^k).

n	a(n)
0	1
1	1
2	6
3	63
4	1162
5	31263
6	1207344
7	61719326
8	4103067834
9	341454828363
10	34946904263560
11	4304483416099530
12	629558493157805370
13	107728435291299602135
14	21346960361800584031800
15	4847223770735591212039818
16	1250978551922243595690043914
17	364052135715732457875255719691

[1, 1, 6, 63, 1162, 31263, 1207344, 61719326, 4103067834, 341454828363, 34946904263560, 4304483416099530, 629558493157805370, 107728435291299602135, 21346960361800584031800, 4847223770735591212039818, 1250978551922243595690043914, 364052135715732457875255719691]

cp's OEIS Frontend

A249590 E.g.f.: BesselI(0,2)*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^2 - x^k).

Table of values

List of values