A191512 - cp's OEIS frontend

A191512 Arctan(xcos(x)) = Sum_{n >= 0} a(n)x^(2n+1)/(2n+1)!.

n	a(n)
0	1
1	-5
2	89
3	-4717
4	449073
5	-69090581
6	15583801609
7	-4846181282685
8	1987373846425697
9	-1039121484066627877
10	674707915373741222841
11	-532627526452975709882765
12	502375568363623615781076625
13	-557965947638266639781208500277
14	720767702359064719935712626879593
15	-1071470941893105999704454019614019741

[1, -5, 89, -4717, 449073, -69090581, 15583801609, -4846181282685, 1987373846425697, -1039121484066627877, 674707915373741222841, -532627526452975709882765, 502375568363623615781076625, -557965947638266639781208500277, 720767702359064719935712626879593, -1071470941893105999704454019614019741]

cp's OEIS Frontend

A191512 Arctan(xcos(x)) = Sum_{n >= 0} a(n)x^(2n+1)/(2n+1)!.

Table of values

List of values

cp's OEIS Frontend

A191512 Arctan(x*cos(x)) = Sum_{n >= 0} a(n)*x^(2n+1)/(2n+1)!.

Table of values

List of values

A191512 Arctan(xcos(x)) = Sum_{n >= 0} a(n)x^(2n+1)/(2n+1)!.