A099612 - cp's OEIS frontend

A099612 Numerators of the coefficients in the Taylor expansion of sec(x) + tan(x) around x=0.

n	a(n)
0	1
1	1
2	1
3	1
4	5
5	2
6	61
7	17
8	277
9	62
10	50521
11	1382
12	540553
13	21844
14	199360981
15	929569
16	3878302429
17	6404582
18	2404879675441
19	443861162
20	14814847529501
21	18888466084
22	69348874393137901
23	113927491862
24	238685140977801337
25	58870668456604
26	4087072509293123892361

[1, 1, 1, 1, 5, 2, 61, 17, 277, 62, 50521, 1382, 540553, 21844, 199360981, 929569, 3878302429, 6404582, 2404879675441, 443861162, 14814847529501, 18888466084, 69348874393137901, 113927491862, 238685140977801337, 58870668456604, 4087072509293123892361]

cp's OEIS Frontend

A099612 Numerators of the coefficients in the Taylor expansion of sec(x) + tan(x) around x=0.

Table of values

List of values