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 | 29 |
| 3 | 43 |
| 4 | 67 |
| 5 | 173 |
| 6 | 283 |
| 7 | 317 |
| 8 | 653 |
| 9 | 787 |
| 10 | 907 |
| 11 | 1867 |
| 12 | 2083 |
| 13 | 2693 |
| 14 | 2803 |
| 15 | 3413 |
| 16 | 3643 |
| 17 | 3677 |
| 18 | 4253 |
| 19 | 4363 |
| 20 | 4723 |
| 21 | 5443 |
| 22 | 5717 |
| 23 | 6197 |
| 24 | 6547 |
| 25 | 6653 |
| 26 | 8563 |
| 27 | 8573 |
| 28 | 9067 |
| 29 | 9187 |
| 30 | 9403 |
| 31 | 9643 |
| 32 | 10733 |
| 33 | 11443 |
| 34 | 11587 |
| 35 | 12163 |
| 36 | 12917 |
| 37 | 13997 |
| 38 | 14107 |
| 39 | 14683 |
| 40 | 15187 |
| 41 | 17827 |