A059419 - cp's OEIS frontend

A059419 Triangle T(n,k) (1 <= k <= n) of tangent numbers, read by rows: T(n,k) = coefficient of x^n/n! in expansion of (tan x)^k/k!.

n	a(n)
1	1
2	0
3	1
4	2
5	0
6	1
7	0
8	8
9	0
10	1
11	16
12	0
13	20
14	0
15	1
16	0
17	136
18	0
19	40
20	0
21	1
22	272
23	0
24	616
25	0
26	70
27	0
28	1
29	0
30	3968
31	0
32	2016
33	0
34	112
35	0
36	1
37	7936
38	0
39	28160
40	0
41	5376
42	0
43	168
44	0
45	1
46	0
47	176896
48	0
49	135680
50	0
51	12432
52	0
53	240
54	0
55	1
56	353792
57	0
58	1805056
59	0
60	508640
61	0
62	25872
63	0
64	330
65	0
66	1
67	0

[1, 0, 1, 2, 0, 1, 0, 8, 0, 1, 16, 0, 20, 0, 1, 0, 136, 0, 40, 0, 1, 272, 0, 616, 0, 70, 0, 1, 0, 3968, 0, 2016, 0, 112, 0, 1, 7936, 0, 28160, 0, 5376, 0, 168, 0, 1, 0, 176896, 0, 135680, 0, 12432, 0, 240, 0, 1, 353792, 0, 1805056, 0, 508640, 0, 25872, 0, 330, 0, 1, 0]

cp's OEIS Frontend

A059419 Triangle T(n,k) (1 <= k <= n) of tangent numbers, read by rows: T(n,k) = coefficient of x^n/n! in expansion of (tan x)^k/k!.

Table of values

List of values