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 | 6 |
1 | 102 |
2 | 1008 |
3 | 7860 |
4 | 53340 |
5 | 330372 |
6 | 1918224 |
7 | 10615176 |
8 | 56602260 |
9 | 293032740 |
10 | 1481004096 |
11 | 7337198232 |
12 | 35743534008 |
13 | 171641101800 |
14 | 814046047200 |
15 | 3819148459920 |
16 | 17747499595140 |
17 | 81776562767460 |
18 | 373968175442400 |
19 | 1698587342436600 |
20 | 7667851012141320 |
21 | 34422129328312440 |