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.

A381751 Expansion of exp( Sum_{k>=1} binomial(8*k-1,2*k-1) * x^k/k ).

Table of values

n a(n)
0 1
1 7
2 252
3 12866
4 767460
5 50005591
6 3449225652
7 247579862356
8 18301102679444
9 1383742325041292
10 106516121515030768
11 8319491960857739258
12 657680525420544788060
13 52522142073165048614002
14 4230907373618147894630904
15 343379827862952363210331624
16 28051180121294369965012932980

List of values

[1, 7, 252, 12866, 767460, 50005591, 3449225652, 247579862356, 18301102679444, 1383742325041292, 106516121515030768, 8319491960857739258, 657680525420544788060, 52522142073165048614002, 4230907373618147894630904, 343379827862952363210331624, 28051180121294369965012932980]