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 | 1 |
| 1 | 9 |
| 2 | 40 |
| 3 | 125 |
| 4 | 315 |
| 5 | 686 |
| 6 | 1344 |
| 7 | 2430 |
| 8 | 4125 |
| 9 | 6655 |
| 10 | 10296 |
| 11 | 15379 |
| 12 | 22295 |
| 13 | 31500 |
| 14 | 43520 |
| 15 | 58956 |
| 16 | 78489 |
| 17 | 102885 |
| 18 | 133000 |
| 19 | 169785 |
| 20 | 214291 |
| 21 | 267674 |
| 22 | 331200 |
| 23 | 406250 |
| 24 | 494325 |
| 25 | 597051 |
| 26 | 716184 |
| 27 | 853615 |
| 28 | 1011375 |
| 29 | 1191640 |
| 30 | 1396736 |
| 31 | 1629144 |
| 32 | 1891505 |
| 33 | 2186625 |
| 34 | 2517480 |
| 35 | 2887221 |