A125053 - cp's OEIS frontend

A125053 Variant of triangle A008301, read by rows of 2*n+1 terms, such that the first column is the secant numbers (A000364).

n	a(n)
0	1
1	1
2	3
3	1
4	5
5	15
6	21
7	15
8	5
9	61
10	183
11	285
12	327
13	285
14	183
15	61
16	1385
17	4155
18	6681
19	8475
20	9129
21	8475
22	6681
23	4155
24	1385
25	50521
26	151563
27	247065
28	325947
29	378105
30	396363
31	378105
32	325947
33	247065
34	151563
35	50521
36	2702765
37	8108295
38	13311741
39	17908935

[1, 1, 3, 1, 5, 15, 21, 15, 5, 61, 183, 285, 327, 285, 183, 61, 1385, 4155, 6681, 8475, 9129, 8475, 6681, 4155, 1385, 50521, 151563, 247065, 325947, 378105, 396363, 378105, 325947, 247065, 151563, 50521, 2702765, 8108295, 13311741, 17908935]

cp's OEIS Frontend

A125053 Variant of triangle A008301, read by rows of 2*n+1 terms, such that the first column is the secant numbers (A000364).

Table of values

List of values