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) |
|---|---|
| 1 | 1 |
| 2 | 9 |
| 3 | 20 |
| 4 | 180 |
| 5 | 1306 |
| 6 | 1910 |
| 7 | 11754 |
| 8 | 17190 |
| 9 | 32486 |
| 10 | 38423 |
| 11 | 47576 |
| 12 | 48202 |
| 13 | 50920 |
| 14 | 51590 |
| 15 | 83884 |
| 16 | 104855 |
| 17 | 132682 |
| 18 | 198534 |
| 19 | 247863 |
| 20 | 292374 |
| 21 | 300876 |
| 22 | 312374 |
| 23 | 313929 |
| 24 | 334330 |
| 25 | 345807 |
| 26 | 376095 |
| 27 | 428184 |
| 28 | 433818 |
| 29 | 458280 |
| 30 | 464310 |
| 31 | 469623 |
| 32 | 498892 |
| 33 | 623615 |
| 34 | 754956 |
| 35 | 768460 |
| 36 | 787127 |
| 37 | 943695 |
| 38 | 985369 |