cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A323181 a(n) = U_{2*n-1}(n)/(2*n) where U_{n}(x) is a Chebyshev polynomial of the second kind.

Table of values

n a(n)
1 1
2 14
3 1155
4 238204
5 92208005
6 57723886506
7 53303126198791
8 68201766898127864
9 115562692712642803209
10 250568062566458497345990
11 676789415690723540731574411
12 2228525638897473760683321942900
13 8788368165086865758098175776802701
14 40895852668226096118083495224349942114

List of values

[1, 14, 1155, 238204, 92208005, 57723886506, 53303126198791, 68201766898127864, 115562692712642803209, 250568062566458497345990, 676789415690723540731574411, 2228525638897473760683321942900, 8788368165086865758098175776802701, 40895852668226096118083495224349942114]