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 | 347 |
| 2 | 641 |
| 3 | 1427 |
| 4 | 2687 |
| 5 | 4001 |
| 6 | 4637 |
| 7 | 4931 |
| 8 | 19421 |
| 9 | 21011 |
| 10 | 22271 |
| 11 | 23741 |
| 12 | 26711 |
| 13 | 27941 |
| 14 | 32057 |
| 15 | 43781 |
| 16 | 45821 |
| 17 | 55331 |
| 18 | 55817 |
| 19 | 68207 |
| 20 | 71327 |
| 21 | 91571 |
| 22 | 128657 |
| 23 | 165701 |
| 24 | 167621 |
| 25 | 172421 |
| 26 | 179897 |
| 27 | 191447 |
| 28 | 193871 |
| 29 | 205421 |
| 30 | 234191 |
| 31 | 239231 |
| 32 | 258107 |
| 33 | 258611 |
| 34 | 259157 |
| 35 | 278807 |
| 36 | 290021 |