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 | 19 |
| 2 | 179 |
| 3 | 419 |
| 4 | 499 |
| 5 | 643 |
| 6 | 673 |
| 7 | 769 |
| 8 | 883 |
| 9 | 1153 |
| 10 | 1409 |
| 11 | 1459 |
| 12 | 1889 |
| 13 | 2003 |
| 14 | 2083 |
| 15 | 2131 |
| 16 | 2579 |
| 17 | 2609 |
| 18 | 2659 |
| 19 | 2689 |
| 20 | 2819 |
| 21 | 3169 |
| 22 | 3779 |
| 23 | 3889 |
| 24 | 3907 |
| 25 | 4099 |
| 26 | 4129 |
| 27 | 4259 |
| 28 | 4339 |
| 29 | 4513 |
| 30 | 4723 |
| 31 | 4993 |
| 32 | 5009 |
| 33 | 5059 |
| 34 | 5233 |
| 35 | 5347 |
| 36 | 5443 |
| 37 | 5683 |
| 38 | 6529 |
| 39 | 6659 |
| 40 | 6689 |
| 41 | 6899 |
| 42 | 7219 |
| 43 | 7283 |
| 44 | 7459 |