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.

A384366 a(n) = Sum_{k=0..n} 2^k * binomial(4*n+1,k) * binomial(4*n-k,n-k).

Table of values

n a(n)
0 1
1 14
2 298
3 7058
4 175594
5 4494104
6 117160486
7 3094165004
8 82503894826
9 2216251440200
10 59884814271208
11 1625891941764962
12 44318988449261926
13 1212105802241702408
14 33245450748860850532
15 914105822029066709048
16 25188189341369313927082
17 695379304005363364395752

List of values

[1, 14, 298, 7058, 175594, 4494104, 117160486, 3094165004, 82503894826, 2216251440200, 59884814271208, 1625891941764962, 44318988449261926, 1212105802241702408, 33245450748860850532, 914105822029066709048, 25188189341369313927082, 695379304005363364395752]