A168406 - cp's OEIS frontend

A168406 E.g.f.: Sum_{n>=0} arctan(2^n*x)^n/n!.

n	a(n)
0	1
1	2
2	16
3	496
4	63488
5	32899840
6	68049141760
7	560546415810560
8	18415229458563727360
9	2416302337337071616327680
10	1267360474688679165942982246400
11	2658246833688954938616062542151680000

[1, 2, 16, 496, 63488, 32899840, 68049141760, 560546415810560, 18415229458563727360, 2416302337337071616327680, 1267360474688679165942982246400, 2658246833688954938616062542151680000]

cp's OEIS Frontend

A168406 E.g.f.: Sum_{n>=0} arctan(2^n*x)^n/n!.

Table of values

List of values