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 | 5 |
| 2 | 7 |
| 3 | 19 |
| 4 | 31 |
| 5 | 61 |
| 6 | 109 |
| 7 | 211 |
| 8 | 277 |
| 9 | 367 |
| 10 | 409 |
| 11 | 421 |
| 12 | 487 |
| 13 | 571 |
| 14 | 829 |
| 15 | 967 |
| 16 | 1009 |
| 17 | 1069 |
| 18 | 1201 |
| 19 | 1237 |
| 20 | 1279 |
| 21 | 1471 |
| 22 | 1579 |
| 23 | 1669 |
| 24 | 1699 |
| 25 | 1741 |
| 26 | 1831 |
| 27 | 2161 |
| 28 | 2521 |
| 29 | 2539 |
| 30 | 2719 |
| 31 | 2797 |
| 32 | 3067 |
| 33 | 4021 |
| 34 | 4051 |
| 35 | 4177 |
| 36 | 4261 |
| 37 | 4327 |
| 38 | 4441 |
| 39 | 4519 |
| 40 | 4567 |
| 41 | 4639 |
| 42 | 4789 |
| 43 | 4861 |
| 44 | 5197 |
| 45 | 5407 |
| 46 | 5527 |