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 | 4 |
| 2 | 5 |
| 3 | 26 |
| 4 | 93 |
| 5 | 144 |
| 6 | 53 |
| 7 | 120 |
| 8 | 1839 |
| 9 | 532 |
| 10 | 897 |
| 11 | 1140 |
| 12 | 211 |
| 13 | 2490 |
| 14 | 2985 |
| 15 | 4312 |
| 16 | 5607 |
| 17 | 1344 |
| 18 | 9569 |
| 19 | 30612 |
| 20 | 19353 |
| 21 | 16162 |
| 22 | 15705 |
| 23 | 81486 |
| 24 | 16787 |
| 25 | 31932 |
| 26 | 19635 |
| 27 | 35644 |
| 28 | 82101 |
| 29 | 44322 |
| 30 | 43361 |
| 31 | 34092 |
| 32 | 89721 |
| 33 | 162176 |
| 34 | 134547 |
| 35 | 173394 |
| 36 | 31433 |
| 37 | 404634 |
| 38 | 212739 |
| 39 | 188068 |
| 40 | 542643 |
| 41 | 265662 |