A350971 - cp's OEIS frontend

A350971 Expansion of e.g.f.: (sec(x)tan(x))^2(1+sin(x)).

n	a(n)
0	0
1	0
2	2
3	6
4	40
5	180
6	1232
7	7266
8	56320
9	408360
10	3610112
11	30974526
12	309836800
13	3065784540
14	34342971392
15	384653685786
16	4778192404480
17	59724464976720
18	815553380483072
19	11249503075325046
20	167586815066767360
21	2527964965265232900
22	40815105402865713152
23	668249973079223076306
24	11626293107260590653440
25	205304046476194041001080

[0, 0, 2, 6, 40, 180, 1232, 7266, 56320, 408360, 3610112, 30974526, 309836800, 3065784540, 34342971392, 384653685786, 4778192404480, 59724464976720, 815553380483072, 11249503075325046, 167586815066767360, 2527964965265232900, 40815105402865713152, 668249973079223076306, 11626293107260590653440, 205304046476194041001080]

cp's OEIS Frontend

A350971 Expansion of e.g.f.: (sec(x)tan(x))^2(1+sin(x)).

Table of values

List of values

cp's OEIS Frontend

A350971 Expansion of e.g.f.: (sec(x)*tan(x))^2*(1+sin(x)).

Table of values

List of values

A350971 Expansion of e.g.f.: (sec(x)tan(x))^2(1+sin(x)).