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 | 2 |
| 2 | 3 |
| 3 | 5 |
| 4 | 17 |
| 5 | 29 |
| 6 | 59 |
| 7 | 257 |
| 8 | 373 |
| 9 | 409 |
| 10 | 461 |
| 11 | 509 |
| 12 | 787 |
| 13 | 839 |
| 14 | 887 |
| 15 | 907 |
| 16 | 991 |
| 17 | 4289 |
| 18 | 4561 |
| 19 | 5189 |
| 20 | 5669 |
| 21 | 5861 |
| 22 | 6133 |
| 23 | 6217 |
| 24 | 6553 |
| 25 | 6761 |
| 26 | 7309 |
| 27 | 7517 |
| 28 | 7789 |
| 29 | 7853 |
| 30 | 12899 |
| 31 | 13171 |
| 32 | 13591 |
| 33 | 14327 |
| 34 | 14347 |
| 35 | 14411 |
| 36 | 14683 |
| 37 | 14747 |
| 38 | 14891 |
| 39 | 15083 |
| 40 | 15227 |
| 41 | 15439 |
| 42 | 15647 |