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 | 11 |
| 4 | 39 |
| 5 | 114 |
| 6 | 273 |
| 7 | 571 |
| 8 | 1086 |
| 9 | 1925 |
| 10 | 3206 |
| 11 | 5101 |
| 12 | 7800 |
| 13 | 11533 |
| 14 | 16575 |
| 15 | 23252 |
| 16 | 31911 |
| 17 | 42987 |
| 18 | 56943 |
| 19 | 74304 |
| 20 | 95662 |
| 21 | 121682 |
| 22 | 153060 |
| 23 | 190614 |
| 24 | 235200 |
| 25 | 287758 |
| 26 | 349317 |
| 27 | 421001 |
| 28 | 503975 |
| 29 | 599560 |
| 30 | 709125 |
| 31 | 834145 |
| 32 | 976206 |
| 33 | 1137011 |
| 34 | 1318314 |
| 35 | 1522059 |
| 36 | 1750248 |
| 37 | 2005011 |
| 38 | 2288611 |