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 | 6 |
| 2 | 22 |
| 3 | 88 |
| 4 | 99 |
| 5 | 202 |
| 6 | 252 |
| 7 | 333 |
| 8 | 414 |
| 9 | 424 |
| 10 | 454 |
| 11 | 464 |
| 12 | 595 |
| 13 | 686 |
| 14 | 747 |
| 15 | 777 |
| 16 | 808 |
| 17 | 838 |
| 18 | 848 |
| 19 | 858 |
| 20 | 909 |
| 21 | 1001 |
| 22 | 1551 |
| 23 | 1771 |
| 24 | 2442 |
| 25 | 3553 |
| 26 | 4114 |
| 27 | 5335 |
| 28 | 5775 |
| 29 | 6336 |
| 30 | 6996 |
| 31 | 8008 |
| 32 | 8228 |
| 33 | 9009 |
| 34 | 9559 |
| 35 | 9669 |
| 36 | 9889 |
| 37 | 12121 |
| 38 | 14241 |
| 39 | 16261 |
| 40 | 16761 |
| 41 | 17171 |
| 42 | 18081 |
| 43 | 18381 |
| 44 | 20102 |
| 45 | 20602 |
| 46 | 21012 |