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 | 23 |
| 3 | 31 |
| 4 | 43 |
| 5 | 59 |
| 6 | 79 |
| 7 | 103 |
| 8 | 131 |
| 9 | 163 |
| 10 | 199 |
| 11 | 239 |
| 12 | 283 |
| 13 | 331 |
| 14 | 383 |
| 15 | 439 |
| 16 | 499 |
| 17 | 563 |
| 18 | 631 |
| 19 | 859 |
| 20 | 1031 |
| 21 | 1123 |
| 22 | 1319 |
| 23 | 1423 |
| 24 | 1531 |
| 25 | 1759 |
| 26 | 1879 |
| 27 | 2003 |
| 28 | 2131 |
| 29 | 2399 |
| 30 | 2539 |
| 31 | 2683 |
| 32 | 3299 |
| 33 | 3463 |
| 34 | 3631 |
| 35 | 3803 |
| 36 | 4159 |
| 37 | 4723 |
| 38 | 4919 |
| 39 | 5119 |
| 40 | 5323 |
| 41 | 5531 |
| 42 | 5743 |
| 43 | 6863 |
| 44 | 7583 |
| 45 | 8599 |