A008294 - cp's OEIS frontend

A008294 Triangle of coefficients in expansion of D^n (sec x) / sec x in powers of tan x.

n	a(n)
0	1
1	1
2	1
3	2
4	5
5	6
6	5
7	28
8	24
9	61
10	180
11	120
12	61
13	662
14	1320
15	720
16	1385
17	7266
18	10920
19	5040
20	1385
21	24568
22	83664
23	100800
24	40320
25	50521
26	408360
27	1023120
28	1028160
29	362880
30	50521
31	1326122
32	6749040
33	13335840
34	11491200
35	3628800
36	2702765
37	30974526
38	113760240

[1, 1, 1, 2, 5, 6, 5, 28, 24, 61, 180, 120, 61, 662, 1320, 720, 1385, 7266, 10920, 5040, 1385, 24568, 83664, 100800, 40320, 50521, 408360, 1023120, 1028160, 362880, 50521, 1326122, 6749040, 13335840, 11491200, 3628800, 2702765, 30974526, 113760240]

cp's OEIS Frontend

A008294 Triangle of coefficients in expansion of D^n (sec x) / sec x in powers of tan x.

Table of values

List of values