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) |
|---|---|
| 0 | 0 |
| 1 | 9 |
| 2 | 66 |
| 3 | 219 |
| 4 | 516 |
| 5 | 1005 |
| 6 | 1734 |
| 7 | 2751 |
| 8 | 4104 |
| 9 | 5841 |
| 10 | 8010 |
| 11 | 10659 |
| 12 | 13836 |
| 13 | 17589 |
| 14 | 21966 |
| 15 | 27015 |
| 16 | 32784 |
| 17 | 39321 |
| 18 | 46674 |
| 19 | 54891 |
| 20 | 64020 |
| 21 | 74109 |
| 22 | 85206 |
| 23 | 97359 |
| 24 | 110616 |
| 25 | 125025 |
| 26 | 140634 |
| 27 | 157491 |
| 28 | 175644 |
| 29 | 195141 |
| 30 | 216030 |
| 31 | 238359 |
| 32 | 262176 |
| 33 | 287529 |
| 34 | 314466 |
| 35 | 343035 |
| 36 | 373284 |
| 37 | 405261 |