A323012 - cp's OEIS frontend

A323012 a(n) = (1/sqrt(n^2+1)) * T_{2*n+1}(sqrt(n^2+1)) where T_{n}(x) is a Chebyshev polynomial of the first kind.

n	a(n)
0	1
1	5
2	305
3	53353
4	18674305
5	10928351501
6	9616792908241
7	11868363584907985
8	19553538801258341377
9	41456387654578883552149
10	109939727677547706703222001
11	356521758767660233608385698361
12	1387930545993760882531890016305025

[1, 5, 305, 53353, 18674305, 10928351501, 9616792908241, 11868363584907985, 19553538801258341377, 41456387654578883552149, 109939727677547706703222001, 356521758767660233608385698361, 1387930545993760882531890016305025]

cp's OEIS Frontend

A323012 a(n) = (1/sqrt(n^2+1)) * T_{2*n+1}(sqrt(n^2+1)) where T_{n}(x) is a Chebyshev polynomial of the first kind.

Table of values

List of values