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) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 12 |
| 3 | 47 |
| 4 | 120 |
| 5 | 245 |
| 6 | 436 |
| 7 | 707 |
| 8 | 1072 |
| 9 | 1545 |
| 10 | 2140 |
| 11 | 2871 |
| 12 | 3752 |
| 13 | 4797 |
| 14 | 6020 |
| 15 | 7435 |
| 16 | 9056 |
| 17 | 10897 |
| 18 | 12972 |
| 19 | 15295 |
| 20 | 17880 |
| 21 | 20741 |
| 22 | 23892 |
| 23 | 27347 |
| 24 | 31120 |
| 25 | 35225 |
| 26 | 39676 |
| 27 | 44487 |
| 28 | 49672 |
| 29 | 55245 |
| 30 | 61220 |
| 31 | 67611 |
| 32 | 74432 |
| 33 | 81697 |
| 34 | 89420 |
| 35 | 97615 |
| 36 | 106296 |
| 37 | 115477 |
| 38 | 125172 |