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.

A299424 G.f. A(x) satisfies: 1 = Sum_{n>=0} binomial((n+1)*(n+2), n) / ((n+1)*(n+2)/2) * x^n / A(x)^((n+1)*(n+2)/2).

Table of values

n a(n)
0 1
1 2
2 3
3 16
4 214
5 4268
6 110520
7 3493432
8 130094524
9 5576660656
10 270624533544
11 14679297273336
12 880950418422088
13 57999873220558048
14 4159207521351394736
15 322857188993783461264
16 26982279001217007103104
17 2416289398989507579797760
18 230882321991151748812644944
19 23451581238859769517764695488
20 2523663354227008958133677737296

List of values

[1, 2, 3, 16, 214, 4268, 110520, 3493432, 130094524, 5576660656, 270624533544, 14679297273336, 880950418422088, 57999873220558048, 4159207521351394736, 322857188993783461264, 26982279001217007103104, 2416289398989507579797760, 230882321991151748812644944, 23451581238859769517764695488, 2523663354227008958133677737296]