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.

A218681 O.g.f. satisfies: A(x) = Sum_{n>=0} n^n * x^n * A(n^2*x)^n/n! * exp(-n*x*A(n^2*x)).

Table of values

n a(n)
0 1
1 1
2 2
3 17
4 248
5 8044
6 499033
7 62625238
8 15947986557
9 8220983161264
10 8675909809528468
11 18709697284980554577
12 82551047593942653184220
13 747564468621251440782891798
14 13885138852461763218258064204207
15 529723356811556257370919794910913765

List of values

[1, 1, 2, 17, 248, 8044, 499033, 62625238, 15947986557, 8220983161264, 8675909809528468, 18709697284980554577, 82551047593942653184220, 747564468621251440782891798, 13885138852461763218258064204207, 529723356811556257370919794910913765]