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.

A386895 a(n) = Sum_{k=0..n} binomial(5*n+1,k) * binomial(2*n-k,n-k).

Table of values

n a(n)
0 1
1 8
2 94
3 1220
4 16590
5 231808
6 3297154
7 47490696
8 690461070
9 10111370720
10 148929775544
11 2203898519732
12 32741261744802
13 488010179737920
14 7294326822378060
15 109294796958693520
16 1641111255497600910
17 24688289062391137056
18 372020649062760239080
19 5614219481885985162960

List of values

[1, 8, 94, 1220, 16590, 231808, 3297154, 47490696, 690461070, 10111370720, 148929775544, 2203898519732, 32741261744802, 488010179737920, 7294326822378060, 109294796958693520, 1641111255497600910, 24688289062391137056, 372020649062760239080, 5614219481885985162960]