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) |
|---|---|
| 0 | 1 |
| 1 | 18 |
| 2 | 102 |
| 3 | 318 |
| 4 | 732 |
| 5 | 1410 |
| 6 | 2418 |
| 7 | 3822 |
| 8 | 5688 |
| 9 | 8082 |
| 10 | 11070 |
| 11 | 14718 |
| 12 | 19092 |
| 13 | 24258 |
| 14 | 30282 |
| 15 | 37230 |
| 16 | 45168 |
| 17 | 54162 |
| 18 | 64278 |
| 19 | 75582 |
| 20 | 88140 |
| 21 | 102018 |
| 22 | 117282 |
| 23 | 133998 |
| 24 | 152232 |
| 25 | 172050 |
| 26 | 193518 |
| 27 | 216702 |
| 28 | 241668 |
| 29 | 268482 |
| 30 | 297210 |
| 31 | 327918 |
| 32 | 360672 |
| 33 | 395538 |
| 34 | 432582 |
| 35 | 471870 |
| 36 | 513468 |
| 37 | 557442 |
| 38 | 603858 |
| 39 | 652782 |
| 40 | 704280 |