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 | 1 |
| 2 | 8 |
| 3 | 78 |
| 4 | 320 |
| 5 | 1010 |
| 6 | 2052 |
| 7 | 4718 |
| 8 | 8576 |
| 9 | 12546 |
| 10 | 23720 |
| 11 | 36542 |
| 12 | 47928 |
| 13 | 76466 |
| 14 | 105560 |
| 15 | 115230 |
| 16 | 188672 |
| 17 | 245378 |
| 18 | 294948 |
| 19 | 395390 |
| 20 | 491840 |
| 21 | 544950 |
| 22 | 737528 |