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 | 14 |
| 2 | 39 |
| 3 | 155 |
| 4 | 399 |
| 5 | 1463 |
| 6 | 2379 |
| 7 | 5219 |
| 8 | 7239 |
| 9 | 12719 |
| 10 | 25259 |
| 11 | 30783 |
| 12 | 52059 |
| 13 | 70643 |
| 14 | 81399 |
| 15 | 106079 |
| 16 | 151739 |
| 17 | 208919 |
| 18 | 230763 |
| 19 | 305319 |
| 20 | 363023 |
| 21 | 394419 |
| 22 | 499359 |
| 23 | 578759 |
| 24 | 712979 |
| 25 | 922179 |
| 26 | 1040603 |
| 27 | 1103439 |
| 28 | 1236599 |
| 29 | 1307019 |