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 | 30 |
2 | 615 |
3 | 11260 |
4 | 205695 |
5 | 4013406 |
6 | 88035585 |
7 | 2255192280 |
8 | 68859250020 |
9 | 2506898720040 |
10 | 107238427737876 |
11 | 5281094776037040 |
12 | 293625956135692020 |
13 | 18139856902224931080 |
14 | 1229886945212115522060 |
15 | 90641666662687182976896 |
16 | 7206758883035555464430370 |
17 | 614391718014749017022916060 |