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 | 3 |
| 4 | 1 |
| 5 | 9 |
| 6 | 13 |
| 7 | 55 |
| 8 | 5 |
| 9 | 201 |
| 10 | 309 |
| 11 | 1467 |
| 12 | 541 |
| 13 | 7009 |
| 14 | 10905 |
| 15 | 53103 |
| 16 | 2493 |
| 17 | 232713 |
| 18 | 369973 |
| 19 | 1895875 |
| 20 | 711901 |
| 21 | 10057761 |
| 22 | 15917809 |
| 23 | 80998215 |
| 24 | 7682147 |
| 25 | 389278901 |
| 26 | 625035439 |
| 27 | 3285433779 |
| 28 | 1245382467 |
| 29 | 18187624005 |
| 30 | 29024837139 |
| 31 | 150736553103 |
| 32 | 7191395811 |
| 33 | 735853765941 |
| 34 | 1190542570455 |
| 35 | 6387028801323 |
| 36 | 2429801651419 |