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 | 7 |
| 3 | 41 |
| 4 | 239 |
| 5 | 287 |
| 6 | 1673 |
| 7 | 3055 |
| 8 | 6665 |
| 9 | 9545 |
| 10 | 9799 |
| 11 | 9855 |
| 12 | 21385 |
| 13 | 26095 |
| 14 | 34697 |
| 15 | 46655 |
| 16 | 66815 |
| 17 | 68593 |
| 18 | 68985 |
| 19 | 125255 |
| 20 | 155287 |
| 21 | 182665 |
| 22 | 242879 |
| 23 | 273265 |
| 24 | 380511 |
| 25 | 391345 |
| 26 | 404055 |
| 27 | 421655 |
| 28 | 627215 |
| 29 | 730145 |
| 30 | 814463 |
| 31 | 823537 |
| 32 | 876785 |
| 33 | 1069895 |
| 34 | 1087009 |
| 35 | 1166399 |
| 36 | 1204281 |
| 37 | 1256489 |