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 | 5 |
| 2 | 40 |
| 3 | 145 |
| 4 | 400 |
| 5 | 883 |
| 6 | 1724 |
| 7 | 3045 |
| 8 | 5026 |
| 9 | 7827 |
| 10 | 11684 |
| 11 | 16795 |
| 12 | 23446 |
| 13 | 31879 |
| 14 | 42430 |
| 15 | 55379 |
| 16 | 71118 |
| 17 | 89965 |
| 18 | 112362 |
| 19 | 138671 |
| 20 | 169384 |
| 21 | 204901 |
| 22 | 245770 |
| 23 | 292429 |
| 24 | 345476 |
| 25 | 405393 |
| 26 | 472828 |
| 27 | 548301 |
| 28 | 632516 |
| 29 | 726031 |
| 30 | 829600 |
| 31 | 943825 |
| 32 | 1069510 |
| 33 | 1207295 |