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 | 1 |
| 2 | 2 |
| 3 | 5 |
| 4 | 6 |
| 5 | 18 |
| 6 | 23 |
| 7 | 59 |
| 8 | 86 |
| 9 | 115 |
| 10 | 119 |
| 11 | 251 |
| 12 | 365 |
| 13 | 370 |
| 14 | 447 |
| 15 | 1672 |
| 16 | 3076 |
| 17 | 3973 |
| 18 | 5611 |
| 19 | 7687 |
| 20 | 8824 |
| 21 | 13026 |
| 22 | 17141 |
| 23 | 17971 |
| 24 | 23346 |
| 25 | 29138 |
| 26 | 94373 |
| 27 | 94563 |
| 28 | 142189 |
| 29 | 156956 |
| 30 | 255167 |
| 31 | 266731 |