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 | 22 |
| 2 | 158 |
| 3 | 684 |
| 4 | 2205 |
| 5 | 5852 |
| 6 | 13524 |
| 7 | 28176 |
| 8 | 54153 |
| 9 | 97570 |
| 10 | 166738 |
| 11 | 272636 |
| 12 | 429429 |
| 13 | 655032 |
| 14 | 971720 |
| 15 | 1406784 |
| 16 | 1993233 |
| 17 | 2770542 |
| 18 | 3785446 |
| 19 | 5092780 |
| 20 | 6756365 |
| 21 | 8849940 |
| 22 | 11458140 |
| 23 | 14677520 |
| 24 | 18617625 |
| 25 | 23402106 |
| 26 | 29169882 |
| 27 | 36076348 |
| 28 | 44294629 |
| 29 | 54016880 |