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 | 0 |
| 2 | 5 |
| 3 | 21 |
| 4 | 40 |
| 5 | 111 |
| 6 | 160 |
| 7 | 270 |
| 8 | 342 |
| 9 | 505 |
| 10 | 812 |
| 11 | 937 |
| 12 | 1335 |
| 13 | 1632 |
| 14 | 1800 |
| 15 | 2170 |
| 16 | 2750 |
| 17 | 3427 |
| 18 | 3672 |
| 19 | 4415 |
| 20 | 4967 |
| 21 | 5260 |
| 22 | 6152 |
| 23 | 6800 |
| 24 | 7847 |
| 25 | 9305 |
| 26 | 10102 |
| 27 | 10490 |
| 28 | 11360 |
| 29 | 11782 |
| 30 | 12665 |
| 31 | 16010 |
| 32 | 17012 |
| 33 | 18625 |
| 34 | 19192 |
| 35 | 22042 |
| 36 | 22652 |
| 37 | 24485 |
| 38 | 26410 |
| 39 | 27710 |
| 40 | 29750 |
| 41 | 31847 |
| 42 | 32587 |
| 43 | 36307 |