Sum_{n>=0} a(n)*x^n/n!^2 = -ln(BesselJ(0,2*sqrt(x))).
0, 1, 1, 4, 33, 456, 9460, 274800, 10643745, 530052880, 32995478376
4 seqfan posts
Sun Oct 10 02:26:47 CEST 2010 [seqfan] Re: Definition of A002190
Sun Oct 10 01:06:40 CEST 2010 [seqfan] Re: Definition of A002190
Sun Oct 10 01:03:37 CEST 2010 [seqfan] Re: Definition of A002190
Sat Oct 9 23:52:01 CEST 2010 [seqfan] Definition of A002190
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
Links to OEIS content are included according to
The OEIS End-User License Agreement
.