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 | 3 |
| 2 | 11 |
| 3 | 19 |
| 4 | 59 |
| 5 | 271 |
| 6 | 349 |
| 7 | 521 |
| 8 | 929 |
| 9 | 1031 |
| 10 | 1051 |
| 11 | 1171 |
| 12 | 2381 |
| 13 | 2671 |
| 14 | 2711 |
| 15 | 2719 |
| 16 | 3001 |
| 17 | 3499 |
| 18 | 3691 |
| 19 | 4349 |
| 20 | 4691 |
| 21 | 4801 |
| 22 | 4999 |
| 23 | 5591 |
| 24 | 5669 |
| 25 | 6101 |
| 26 | 6359 |
| 27 | 6361 |
| 28 | 7159 |
| 29 | 7211 |
| 30 | 7489 |
| 31 | 8231 |
| 32 | 8431 |
| 33 | 8761 |
| 34 | 9241 |
| 35 | 10099 |
| 36 | 10139 |
| 37 | 11719 |
| 38 | 11821 |
| 39 | 12239 |
| 40 | 12281 |
| 41 | 12781 |