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 | 139 |
| 2 | 257 |
| 3 | 1201 |
| 4 | 1319 |
| 5 | 2027 |
| 6 | 2381 |
| 7 | 2617 |
| 8 | 2971 |
| 9 | 3089 |
| 10 | 3797 |
| 11 | 5449 |
| 12 | 6983 |
| 13 | 7219 |
| 14 | 7573 |
| 15 | 7691 |
| 16 | 7927 |
| 17 | 8753 |
| 18 | 9343 |
| 19 | 9461 |
| 20 | 9697 |
| 21 | 10169 |
| 22 | 11113 |
| 23 | 11467 |
| 24 | 11821 |
| 25 | 11939 |
| 26 | 12647 |
| 27 | 13001 |
| 28 | 13591 |
| 29 | 13709 |
| 30 | 14653 |
| 31 | 14771 |
| 32 | 15361 |
| 33 | 16069 |
| 34 | 16187 |
| 35 | 17839 |
| 36 | 17957 |
| 37 | 18311 |
| 38 | 19373 |
| 39 | 19609 |
| 40 | 19727 |