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.

A373313 Expansion of g.f. A(x) satisfying A(x)^2 = A( x*A(x)/(1 - A(x))^3 ).

Table of values

n a(n)
1 1
2 3
3 18
4 127
5 999
6 8376
7 73400
8 664143
9 6157467
10 58190531
11 558478098
12 5428532148
13 53331912158
14 528721992000
15 5282688183600
16 53140908294191
17 537760961917833
18 5470638540940401
19 55914705172750446
20 573908634206898951
21 5913010265931479289
22 61132102068652970100
23 634002859944973526904

List of values

[1, 3, 18, 127, 999, 8376, 73400, 664143, 6157467, 58190531, 558478098, 5428532148, 53331912158, 528721992000, 5282688183600, 53140908294191, 537760961917833, 5470638540940401, 55914705172750446, 573908634206898951, 5913010265931479289, 61132102068652970100, 634002859944973526904]