A323118 - cp's OEIS frontend

A323118 a(n) = U_{n}(n) where U_{n}(x) is a Chebyshev polynomial of the second kind.

n	a(n)
0	1
1	2
2	15
3	204
4	3905
5	96030
6	2883167
7	102213944
8	4178507265
9	193501094490
10	10011386405999
11	572335117886532
12	35827847605137601
13	2437406399741075126
14	179059769134174484415
15	14127079203550978667760
16	1191321539697176278429697
17	106935795565608726499866930

[1, 2, 15, 204, 3905, 96030, 2883167, 102213944, 4178507265, 193501094490, 10011386405999, 572335117886532, 35827847605137601, 2437406399741075126, 179059769134174484415, 14127079203550978667760, 1191321539697176278429697, 106935795565608726499866930]

cp's OEIS Frontend

A323118 a(n) = U_{n}(n) where U_{n}(x) is a Chebyshev polynomial of the second kind.

Table of values

List of values