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.

A208890 a(n) = A000984(n)*A004981(n), the term-wise product of the coefficients in (1-4*x)^(-1/2) and (1-8*x)^(-1/4).

Table of values

n a(n)
0 1
1 4
2 60
3 1200
4 27300
5 668304
6 17153136
7 455083200
8 12372574500
9 342766138000
10 9638583800560
11 274341178587840
12 7887308884400400
13 228685287180840000
14 6678543795015960000
15 196260140322869011200
16 5798873833602270315300
17 172160337343624495866000

List of values

[1, 4, 60, 1200, 27300, 668304, 17153136, 455083200, 12372574500, 342766138000, 9638583800560, 274341178587840, 7887308884400400, 228685287180840000, 6678543795015960000, 196260140322869011200, 5798873833602270315300, 172160337343624495866000]