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 | 88 |
| 2 | 232 |
| 3 | 414 |
| 4 | 424 |
| 5 | 444 |
| 6 | 484 |
| 7 | 525 |
| 8 | 585 |
| 9 | 636 |
| 10 | 666 |
| 11 | 676 |
| 12 | 686 |
| 13 | 808 |
| 14 | 858 |
| 15 | 868 |
| 16 | 999 |
| 17 | 1881 |
| 18 | 2002 |
| 19 | 2332 |
| 20 | 2442 |
| 21 | 2662 |
| 22 | 3003 |
| 23 | 3663 |
| 24 | 3773 |
| 25 | 3993 |
| 26 | 4114 |
| 27 | 4444 |
| 28 | 4774 |
| 29 | 5005 |
| 30 | 5115 |
| 31 | 5225 |
| 32 | 6116 |
| 33 | 6556 |
| 34 | 6666 |
| 35 | 7007 |
| 36 | 7227 |
| 37 | 8668 |
| 38 | 9999 |
| 39 | 10101 |
| 40 | 10701 |
| 41 | 11011 |
| 42 | 12321 |
| 43 | 13431 |