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 | 1 |
| 3 | 5 |
| 4 | 16 |
| 5 | 35 |
| 6 | 76 |
| 7 | 126 |
| 8 | 226 |
| 9 | 335 |
| 10 | 531 |
| 11 | 715 |
| 12 | 1092 |
| 13 | 1365 |
| 14 | 1947 |
| 15 | 2420 |
| 16 | 3286 |
| 17 | 3876 |
| 18 | 5251 |
| 19 | 5985 |
| 20 | 7861 |
| 21 | 8986 |
| 22 | 11342 |
| 23 | 12650 |
| 24 | 16252 |
| 25 | 17585 |
| 26 | 21841 |
| 27 | 24086 |
| 28 | 29367 |
| 29 | 31465 |
| 30 | 38946 |
| 31 | 40920 |
| 32 | 49662 |
| 33 | 53080 |
| 34 | 62782 |
| 35 | 66206 |
| 36 | 80082 |
| 37 | 82251 |
| 38 | 97376 |
| 39 | 102640 |
| 40 | 120001 |
| 41 | 123410 |
| 42 | 146628 |