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 | 27 |
| 2 | 183 |
| 3 | 736 |
| 4 | 2227 |
| 5 | 5615 |
| 6 | 12453 |
| 7 | 25096 |
| 8 | 46941 |
| 9 | 82699 |
| 10 | 138699 |
| 11 | 223224 |
| 12 | 346879 |
| 13 | 522991 |
| 14 | 768041 |
| 15 | 1102128 |
| 16 | 1549465 |
| 17 | 2138907 |
| 18 | 2904511 |
| 19 | 3886128 |
| 20 | 5130027 |
| 21 | 6689551 |
| 22 | 8625805 |
| 23 | 11008376 |
| 24 | 13916085 |
| 25 | 17437771 |
| 26 | 21673107 |
| 27 | 26733448 |
| 28 | 32742711 |
| 29 | 39838287 |