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 | 0 |
| 3 | 0 |
| 4 | 1 |
| 5 | 5 |
| 6 | 15 |
| 7 | 35 |
| 8 | 69 |
| 9 | 126 |
| 10 | 205 |
| 11 | 330 |
| 12 | 479 |
| 13 | 715 |
| 14 | 966 |
| 15 | 1360 |
| 16 | 1750 |
| 17 | 2380 |
| 18 | 2919 |
| 19 | 3876 |
| 20 | 4634 |
| 21 | 5950 |
| 22 | 6985 |
| 23 | 8855 |
| 24 | 10062 |
| 25 | 12645 |
| 26 | 14235 |
| 27 | 17424 |
| 28 | 19473 |
| 29 | 23751 |
| 30 | 25820 |
| 31 | 31465 |
| 32 | 34140 |
| 33 | 40590 |
| 34 | 43996 |
| 35 | 52320 |
| 36 | 55365 |
| 37 | 66045 |
| 38 | 69939 |
| 39 | 81536 |
| 40 | 86476 |
| 41 | 101270 |
| 42 | 104964 |
| 43 | 123410 |
| 44 | 128435 |
| 45 | 147504 |