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.

A203507 G.f.: Product_{n>=0} 1/(1-a(n)*x^(n+1))^3 = Sum_{n>=0} a(n)*x^n.

Table of values

n a(n)
0 1
1 3
2 15
3 82
4 504
5 3198
6 21592
7 147570
8 1045221
9 7464052
10 54549804
11 400487997
12 2990765270
13 22396990002
14 169881957174
15 1291189065086
16 9910770901971
17 76178174174205
18 590312326353680
19 4578346159792815
20 35745960436892046
21 279290158338688617

List of values

[1, 3, 15, 82, 504, 3198, 21592, 147570, 1045221, 7464052, 54549804, 400487997, 2990765270, 22396990002, 169881957174, 1291189065086, 9910770901971, 76178174174205, 590312326353680, 4578346159792815, 35745960436892046, 279290158338688617]