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 | 2 |
| 3 | 144 |
| 4 | 264 |
| 5 | 540 |
| 6 | 720 |
| 7 | 888 |
| 8 | 928 |
| 9 | 1012 |
| 10 | 1368 |
| 11 | 1452 |
| 12 | 1476 |
| 13 | 1656 |
| 14 | 1764 |
| 15 | 1800 |
| 16 | 1836 |
| 17 | 1960 |
| 18 | 2024 |
| 19 | 2392 |
| 20 | 2664 |
| 21 | 2712 |
| 22 | 2968 |
| 23 | 3444 |
| 24 | 3680 |
| 25 | 3720 |
| 26 | 3808 |
| 27 | 4248 |
| 28 | 4284 |
| 29 | 4352 |
| 30 | 4368 |
| 31 | 4776 |
| 32 | 5060 |
| 33 | 5412 |
| 34 | 5600 |
| 35 | 6516 |
| 36 | 6624 |
| 37 | 6840 |
| 38 | 6984 |
| 39 | 7040 |
| 40 | 7168 |
| 41 | 7176 |
| 42 | 7600 |
| 43 | 7836 |
| 44 | 7860 |
| 45 | 8052 |
| 46 | 8160 |
| 47 | 8196 |
| 48 | 8304 |
| 49 | 8496 |
| 50 | 8848 |
| 51 | 9144 |