A008293 - cp's OEIS frontend

A008293 Triangle of coefficients in expansion of D^n (tan x) in powers of tan x.

n	a(n)
0	1
1	1
2	1
3	2
4	2
5	2
6	8
7	6
8	16
9	40
10	24
11	16
12	136
13	240
14	120
15	272
16	1232
17	1680
18	720
19	272
20	3968
21	12096
22	13440
23	5040
24	7936
25	56320
26	129024
27	120960
28	40320
29	7936
30	176896
31	814080
32	1491840
33	1209600
34	362880
35	353792
36	3610112
37	12207360
38	18627840
39	13305600
40	3628800

[1, 1, 1, 2, 2, 2, 8, 6, 16, 40, 24, 16, 136, 240, 120, 272, 1232, 1680, 720, 272, 3968, 12096, 13440, 5040, 7936, 56320, 129024, 120960, 40320, 7936, 176896, 814080, 1491840, 1209600, 362880, 353792, 3610112, 12207360, 18627840, 13305600, 3628800]

cp's OEIS Frontend

A008293 Triangle of coefficients in expansion of D^n (tan x) in powers of tan x.

Table of values

List of values