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 | 60 |
| 3 | 140 |
| 4 | 252 |
| 5 | 396 |
| 6 | 572 |
| 7 | 780 |
| 8 | 1020 |
| 9 | 1292 |
| 10 | 1596 |
| 11 | 1932 |
| 12 | 2300 |
| 13 | 2700 |
| 14 | 3132 |
| 15 | 3596 |
| 16 | 4092 |
| 17 | 4620 |
| 18 | 5180 |
| 19 | 5772 |
| 20 | 6396 |
| 21 | 7052 |
| 22 | 7740 |
| 23 | 8460 |
| 24 | 9212 |
| 25 | 9996 |
| 26 | 10812 |
| 27 | 11660 |
| 28 | 12540 |
| 29 | 13452 |
| 30 | 14396 |
| 31 | 15372 |
| 32 | 16380 |
| 33 | 17420 |
| 34 | 18492 |
| 35 | 19596 |
| 36 | 20732 |
| 37 | 21900 |
| 38 | 23100 |
| 39 | 24332 |
| 40 | 25596 |
| 41 | 26892 |
| 42 | 28220 |
| 43 | 29580 |