A337444 - cp's OEIS frontend

A337444 Expansion of e.g.f. (1 + 2x) exp(x) / (sec(x) + tan(x)).

n	a(n)
0	1
1	2
2	0
3	-1
4	-8
5	-5
6	-50
7	79
8	-696
9	3375
10	-22830
11	156719
12	-1205244
13	9952735
14	-88770370
15	847488719
16	-8633147152
17	93430030975
18	-1070638898070
19	12950169210479
20	-164886839860420
21	2204373939190495
22	-30873660197736330
23	452059981437456399
24	-6906967824497129048

[1, 2, 0, -1, -8, -5, -50, 79, -696, 3375, -22830, 156719, -1205244, 9952735, -88770370, 847488719, -8633147152, 93430030975, -1070638898070, 12950169210479, -164886839860420, 2204373939190495, -30873660197736330, 452059981437456399, -6906967824497129048]

cp's OEIS Frontend

A337444 Expansion of e.g.f. (1 + 2x) exp(x) / (sec(x) + tan(x)).

Table of values

List of values

cp's OEIS Frontend

A337444 Expansion of e.g.f. (1 + 2*x) * exp(x) / (sec(x) + tan(x)).

Table of values

List of values

A337444 Expansion of e.g.f. (1 + 2x) exp(x) / (sec(x) + tan(x)).