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 | 48 |
| 3 | 200 |
| 4 | 516 |
| 5 | 1056 |
| 6 | 1884 |
| 7 | 3052 |
| 8 | 4628 |
| 9 | 6668 |
| 10 | 9232 |
| 11 | 12380 |
| 12 | 16176 |
| 13 | 20672 |
| 14 | 25936 |
| 15 | 32024 |
| 16 | 38996 |
| 17 | 46912 |
| 18 | 55836 |
| 19 | 65820 |
| 20 | 76932 |
| 21 | 89228 |
| 22 | 102768 |
| 23 | 117612 |
| 24 | 133824 |
| 25 | 151456 |
| 26 | 170576 |
| 27 | 191240 |
| 28 | 213508 |
| 29 | 237440 |
| 30 | 263100 |
| 31 | 290540 |
| 32 | 319828 |
| 33 | 351020 |
| 34 | 384176 |
| 35 | 419356 |
| 36 | 456624 |
| 37 | 496032 |
| 38 | 537648 |
| 39 | 581528 |
| 40 | 627732 |
| 41 | 676320 |