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 | 561 |
| 2 | 643 |
| 3 | 645 |
| 4 | 1103 |
| 5 | 1905 |
| 6 | 2465 |
| 7 | 2699 |
| 8 | 2819 |
| 9 | 4369 |
| 10 | 4371 |
| 11 | 4679 |
| 12 | 6599 |
| 13 | 10259 |
| 14 | 12799 |
| 15 | 14489 |
| 16 | 16703 |
| 17 | 18719 |
| 18 | 19949 |
| 19 | 23001 |
| 20 | 25759 |
| 21 | 25761 |
| 22 | 29339 |
| 23 | 30119 |
| 24 | 31607 |
| 25 | 33151 |
| 26 | 39863 |
| 27 | 41039 |
| 28 | 42797 |
| 29 | 49139 |
| 30 | 52631 |
| 31 | 55243 |
| 32 | 60701 |
| 33 | 62743 |
| 34 | 68099 |
| 35 | 72883 |
| 36 | 83663 |
| 37 | 85487 |
| 38 | 87249 |
| 39 | 90749 |