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 | 60 |
| 3 | 276 |
| 4 | 748 |
| 5 | 1575 |
| 6 | 2856 |
| 7 | 4690 |
| 8 | 7176 |
| 9 | 10413 |
| 10 | 14500 |
| 11 | 19536 |
| 12 | 25620 |
| 13 | 32851 |
| 14 | 41328 |
| 15 | 51150 |
| 16 | 62416 |
| 17 | 75225 |
| 18 | 89676 |
| 19 | 105868 |
| 20 | 123900 |
| 21 | 143871 |
| 22 | 165880 |
| 23 | 190026 |
| 24 | 216408 |
| 25 | 245125 |
| 26 | 276276 |
| 27 | 309960 |
| 28 | 346276 |
| 29 | 385323 |
| 30 | 427200 |
| 31 | 472006 |
| 32 | 519840 |