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.

A215243 G.f.: 1 = Sum_{n>=0} a(n)*x^n/(1+x)^((n+3)^2).

Table of values

n a(n)
0 1
1 9
2 99
3 1416
4 25650
5 569772
6 15099042
7 466865280
8 16545757617
9 662459717350
10 29611195466373
11 1463138718427008
12 79255793863426950
13 4673128560507694980
14 298096897542679853190
15 20462949699720864598464
16 1504570012129788012314910
17 118004419030927157257862025

List of values

[1, 9, 99, 1416, 25650, 569772, 15099042, 466865280, 16545757617, 662459717350, 29611195466373, 1463138718427008, 79255793863426950, 4673128560507694980, 298096897542679853190, 20462949699720864598464, 1504570012129788012314910, 118004419030927157257862025]