A001897 - cp's OEIS frontend

A001897 Denominators of cosecant numbers: -2(2^(2n-1)-1)Bernoulli(2n).

n	a(n)
0	1
1	3
2	15
3	21
4	15
5	33
6	1365
7	3
8	255
9	399
10	165
11	69
12	1365
13	3
14	435
15	7161
16	255
17	3
18	959595
19	3
20	6765
21	903
22	345
23	141
24	23205
25	33
26	795
27	399
28	435
29	177
30	28393365
31	3
32	255
33	32361
34	15
35	2343
36	70050435
37	3
38	15
39	1659
40	115005
41	249
42	1702155
43	3
44	30705
45	136059
46	705
47	3
48	2250885
49	3
50	16665
51	2163

[1, 3, 15, 21, 15, 33, 1365, 3, 255, 399, 165, 69, 1365, 3, 435, 7161, 255, 3, 959595, 3, 6765, 903, 345, 141, 23205, 33, 795, 399, 435, 177, 28393365, 3, 255, 32361, 15, 2343, 70050435, 3, 15, 1659, 115005, 249, 1702155, 3, 30705, 136059, 705, 3, 2250885, 3, 16665, 2163]

cp's OEIS Frontend

A001897 Denominators of cosecant numbers: -2(2^(2n-1)-1)Bernoulli(2n).

Table of values

List of values

cp's OEIS Frontend

A001897 Denominators of cosecant numbers: -2*(2^(2*n-1)-1)*Bernoulli(2*n).

Table of values

List of values

A001897 Denominators of cosecant numbers: -2(2^(2n-1)-1)Bernoulli(2n).