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 | 11 |
| 2 | 15 |
| 3 | 20 |
| 4 | 27 |
| 5 | 36 |
| 6 | 48 |
| 7 | 64 |
| 8 | 85 |
| 9 | 113 |
| 10 | 151 |
| 11 | 201 |
| 12 | 268 |
| 13 | 358 |
| 14 | 477 |
| 15 | 636 |
| 16 | 848 |
| 17 | 1131 |
| 18 | 1508 |
| 19 | 2010 |
| 20 | 2680 |
| 21 | 3574 |
| 22 | 4765 |
| 23 | 6353 |
| 24 | 8471 |
| 25 | 11295 |
| 26 | 15060 |
| 27 | 20080 |
| 28 | 26773 |
| 29 | 35697 |
| 30 | 47596 |
| 31 | 63462 |
| 32 | 84616 |
| 33 | 112821 |
| 34 | 150428 |
| 35 | 200571 |
| 36 | 267428 |
| 37 | 356570 |
| 38 | 475427 |
| 39 | 633903 |
| 40 | 845204 |