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 | 0 |
| 2 | 4 |
| 3 | 18 |
| 4 | 46 |
| 5 | 86 |
| 6 | 138 |
| 7 | 210 |
| 8 | 292 |
| 9 | 396 |
| 10 | 512 |
| 11 | 630 |
| 12 | 790 |
| 13 | 968 |
| 14 | 1150 |
| 15 | 1380 |
| 16 | 1566 |
| 17 | 1820 |
| 18 | 2082 |
| 19 | 2370 |
| 20 | 2670 |
| 21 | 3010 |
| 22 | 3382 |
| 23 | 3720 |
| 24 | 4122 |
| 25 | 4540 |
| 26 | 4950 |
| 27 | 5416 |
| 28 | 5900 |
| 29 | 6372 |
| 30 | 6884 |
| 31 | 7446 |
| 32 | 8030 |
| 33 | 8600 |
| 34 | 9202 |
| 35 | 9782 |
| 36 | 10476 |
| 37 | 11164 |
| 38 | 11886 |
| 39 | 12576 |
| 40 | 13326 |
| 41 | 14148 |
| 42 | 14920 |
| 43 | 15686 |
| 44 | 16554 |
| 45 | 17412 |