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 | 5 |
| 3 | 22 |
| 4 | 45 |
| 5 | 99 |
| 6 | 181 |
| 7 | 260 |
| 8 | 441 |
| 9 | 535 |
| 10 | 824 |
| 11 | 1063 |
| 12 | 1437 |
| 13 | 1962 |
| 14 | 2325 |
| 15 | 3114 |
| 16 | 3545 |
| 17 | 4052 |
| 18 | 5063 |
| 19 | 6554 |
| 20 | 7247 |
| 21 | 8734 |
| 22 | 9706 |
| 23 | 11270 |
| 24 | 12875 |
| 25 | 16101 |
| 26 | 16930 |
| 27 | 20137 |
| 28 | 20958 |
| 29 | 24068 |
| 30 | 27492 |
| 31 | 29591 |
| 32 | 32862 |
| 33 | 35482 |
| 34 | 42080 |
| 35 | 44659 |
| 36 | 48992 |
| 37 | 51983 |
| 38 | 55769 |
| 39 | 58300 |
| 40 | 65916 |