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 | 1 |
| 2 | 20 |
| 3 | 111 |
| 4 | 328 |
| 5 | 725 |
| 6 | 1356 |
| 7 | 2275 |
| 8 | 3536 |
| 9 | 5193 |
| 10 | 7300 |
| 11 | 9911 |
| 12 | 13080 |
| 13 | 16861 |
| 14 | 21308 |
| 15 | 26475 |
| 16 | 32416 |
| 17 | 39185 |
| 18 | 46836 |
| 19 | 55423 |
| 20 | 65000 |
| 21 | 75621 |
| 22 | 87340 |
| 23 | 100211 |
| 24 | 114288 |
| 25 | 129625 |
| 26 | 146276 |
| 27 | 164295 |
| 28 | 183736 |
| 29 | 204653 |
| 30 | 227100 |
| 31 | 251131 |
| 32 | 276800 |
| 33 | 304161 |
| 34 | 333268 |
| 35 | 364175 |