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.
n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 21 |
4 | 321 |
5 | 4431 |
6 | 63429 |
7 | 969087 |
8 | 15382545 |
9 | 249244338 |
10 | 4107163191 |
11 | 68716945920 |
12 | 1164359443533 |
13 | 19935492104010 |
14 | 344346982288071 |
15 | 5993536584212436 |
16 | 105018405221562585 |
17 | 1850933501297074929 |
18 | 32792012556842728050 |
19 | 583652338245954384960 |