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 | 64 |
| 2 | 225 |
| 3 | 608 |
| 4 | 1408 |
| 5 | 2936 |
| 6 | 5664 |
| 7 | 10280 |
| 8 | 17754 |
| 9 | 29416 |
| 10 | 47047 |
| 11 | 72984 |
| 12 | 110240 |
| 13 | 162640 |
| 14 | 234974 |
| 15 | 333168 |
| 16 | 464474 |
| 17 | 637680 |
| 18 | 863341 |
| 19 | 1154032 |
| 20 | 1524624 |
| 21 | 1992584 |
| 22 | 2578300 |
| 23 | 3305432 |
| 24 | 4201290 |
| 25 | 5297240 |
| 26 | 6629139 |
| 27 | 8237800 |
| 28 | 10169488 |
| 29 | 12476448 |
| 30 | 15217466 |