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 | 7 |
| 4 | 29 |
| 5 | 61 |
| 6 | 157 |
| 7 | 239 |
| 8 | 521 |
| 9 | 739 |
| 10 | 1021 |
| 11 | 1277 |
| 12 | 2221 |
| 13 | 2731 |
| 14 | 3851 |
| 15 | 4651 |
| 16 | 5857 |
| 17 | 7039 |
| 18 | 9343 |
| 19 | 10831 |
| 20 | 14561 |
| 21 | 15919 |
| 22 | 18481 |
| 23 | 20563 |
| 24 | 25321 |
| 25 | 27551 |
| 26 | 32371 |
| 27 | 35803 |
| 28 | 40993 |
| 29 | 44371 |
| 30 | 53551 |
| 31 | 55987 |
| 32 | 66721 |
| 33 | 72733 |
| 34 | 80207 |
| 35 | 87151 |
| 36 | 97453 |
| 37 | 101603 |
| 38 | 116471 |
| 39 | 123787 |