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 | 4 |
| 3 | 13 |
| 4 | 34 |
| 5 | 68 |
| 6 | 121 |
| 7 | 197 |
| 8 | 299 |
| 9 | 432 |
| 10 | 600 |
| 11 | 806 |
| 12 | 1055 |
| 13 | 1352 |
| 14 | 1698 |
| 15 | 2100 |
| 16 | 2561 |
| 17 | 3085 |
| 18 | 3675 |
| 19 | 4338 |
| 20 | 5074 |
| 21 | 5891 |
| 22 | 6790 |
| 23 | 7777 |
| 24 | 8854 |
| 25 | 10029 |
| 26 | 11300 |
| 27 | 12677 |
| 28 | 14160 |
| 29 | 15756 |
| 30 | 17465 |
| 31 | 19297 |
| 32 | 21249 |
| 33 | 23332 |
| 34 | 25544 |
| 35 | 27894 |
| 36 | 30381 |
| 37 | 33016 |
| 38 | 35794 |
| 39 | 38728 |
| 40 | 41815 |
| 41 | 45065 |