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.

A376462 a(n) = Sum_{k = 0..n} binomial(n, k)^2*binomial(n+k, k)*A108625(n, n-k).

Table of values

n a(n)
0 1
1 5
2 109
3 3317
4 121501
5 4954505
6 216867925
7 9981053045
8 476860000285
9 23451310381505
10 1180189308268609
11 60519806861966105
12 3152285573768063461
13 166371462775232899553
14 8880340127444426907109
15 478649327347386225075317
16 26019989011889817463755805
17 1425143757811438999747555313
18 78578956793385528989609594089

List of values

[1, 5, 109, 3317, 121501, 4954505, 216867925, 9981053045, 476860000285, 23451310381505, 1180189308268609, 60519806861966105, 3152285573768063461, 166371462775232899553, 8880340127444426907109, 478649327347386225075317, 26019989011889817463755805, 1425143757811438999747555313, 78578956793385528989609594089]