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 | 3 |
| 2 | 23 |
| 3 | 21 |
| 4 | 53 |
| 5 | 45 |
| 6 | 87 |
| 7 | 150 |
| 8 | 216 |
| 9 | 249 |
| 10 | 423 |
| 11 | 711 |
| 12 | 980 |
| 13 | 1560 |
| 14 | 2431 |
| 15 | 3368 |
| 16 | 5598 |
| 17 | 8655 |
| 18 | 12707 |
| 19 | 20146 |
| 20 | 30825 |
| 21 | 46191 |
| 22 | 71375 |
| 23 | 111256 |
| 24 | 169061 |
| 25 | 260564 |
| 26 | 403605 |
| 27 | 607501 |
| 28 | 943194 |
| 29 | 1456420 |
| 30 | 2221340 |
| 31 | 3434014 |
| 32 | 5274975 |
| 33 | 8066460 |
| 34 | 12409799 |
| 35 | 19138048 |
| 36 | 29352378 |