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 | 1 |
| 2 | 6 |
| 3 | 14 |
| 4 | 40 |
| 5 | 120 |
| 6 | 244 |
| 7 | 280 |
| 8 | 440 |
| 9 | 494 |
| 10 | 680 |
| 11 | 920 |
| 12 | 1220 |
| 13 | 2040 |
| 14 | 2840 |
| 15 | 2968 |
| 16 | 3480 |
| 17 | 6360 |
| 18 | 9880 |
| 19 | 10680 |
| 20 | 16376 |
| 21 | 20618 |
| 22 | 25160 |
| 23 | 32280 |
| 24 | 34720 |
| 25 | 40136 |
| 26 | 40280 |
| 27 | 42136 |
| 28 | 45560 |
| 29 | 45994 |
| 30 | 46280 |
| 31 | 85880 |
| 32 | 91160 |
| 33 | 120408 |
| 34 | 200680 |
| 35 | 213280 |
| 36 | 231080 |
| 37 | 242840 |
| 38 | 377080 |
| 39 | 410552 |
| 40 | 412360 |
| 41 | 421480 |
| 42 | 441496 |
| 43 | 447320 |