A101343 - cp's OEIS frontend

A101343 Triangle read by rows: nonzero coefficients of the polynomials F_n(x) which express derivatives of tan(z) in terms of powers of tan(z).

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

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

cp's OEIS Frontend

A101343 Triangle read by rows: nonzero coefficients of the polynomials F_n(x) which express derivatives of tan(z) in terms of powers of tan(z).

Table of values

List of values