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 | 12 |
| 2 | 36 |
| 3 | 150 |
| 4 | 392 |
| 5 | 1452 |
| 6 | 2366 |
| 7 | 5202 |
| 8 | 7220 |
| 9 | 12696 |
| 10 | 25230 |
| 11 | 30752 |
| 12 | 52022 |
| 13 | 70602 |
| 14 | 81356 |
| 15 | 106032 |
| 16 | 151686 |
| 17 | 208860 |
| 18 | 230702 |
| 19 | 305252 |
| 20 | 362952 |
| 21 | 394346 |
| 22 | 499280 |
| 23 | 578676 |
| 24 | 712890 |
| 25 | 922082 |
| 26 | 1040502 |
| 27 | 1103336 |
| 28 | 1236492 |
| 29 | 1306910 |
| 30 | 1455666 |
| 31 | 2064512 |
| 32 | 2265252 |