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 | 10 |
| 1 | 135 |
| 2 | 740 |
| 3 | 2545 |
| 4 | 6750 |
| 5 | 15155 |
| 6 | 30280 |
| 7 | 55485 |
| 8 | 95090 |
| 9 | 154495 |
| 10 | 240300 |
| 11 | 360425 |
| 12 | 524230 |
| 13 | 742635 |
| 14 | 1028240 |
| 15 | 1395445 |
| 16 | 1860570 |
| 17 | 2441975 |
| 18 | 3160180 |
| 19 | 4037985 |
| 20 | 5100590 |
| 21 | 6375715 |
| 22 | 7893720 |
| 23 | 9687725 |
| 24 | 11793730 |
| 25 | 14250735 |
| 26 | 17100860 |
| 27 | 20389465 |
| 28 | 24165270 |
| 29 | 28480475 |
| 30 | 33390880 |
| 31 | 38956005 |