A126155 - cp's OEIS frontend

A126155 Symmetric triangle, read by rows of 2*n+1 terms, similar to triangle A008301. Second term 5 times first term.

n	a(n)
0	1
1	1
2	5
3	1
4	7
5	35
6	55
7	35
8	7
9	139
10	695
11	1195
12	1415
13	1195
14	695
15	139
16	5473
17	27365
18	48145
19	63365
20	69025
21	63365
22	48145
23	27365
24	5473
25	357721
26	1788605
27	3175705
28	4343885
29	5126905
30	5403005
31	5126905
32	4343885
33	3175705
34	1788605
35	357721

[1, 1, 5, 1, 7, 35, 55, 35, 7, 139, 695, 1195, 1415, 1195, 695, 139, 5473, 27365, 48145, 63365, 69025, 63365, 48145, 27365, 5473, 357721, 1788605, 3175705, 4343885, 5126905, 5403005, 5126905, 4343885, 3175705, 1788605, 357721]

cp's OEIS Frontend

A126155 Symmetric triangle, read by rows of 2*n+1 terms, similar to triangle A008301. Second term 5 times first term.

Table of values

List of values