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 | 16 |
| 2 | 60 |
| 3 | 190 |
| 4 | 512 |
| 5 | 1212 |
| 6 | 2592 |
| 7 | 5115 |
| 8 | 9460 |
| 9 | 16588 |
| 10 | 27820 |
| 11 | 44928 |
| 12 | 70240 |
| 13 | 106760 |
| 14 | 158304 |
| 15 | 229653 |
| 16 | 326724 |
| 17 | 456760 |
| 18 | 628540 |
| 19 | 852610 |
| 20 | 1141536 |
| 21 | 1510180 |
| 22 | 1976000 |
| 23 | 2559375 |
| 24 | 3283956 |
| 25 | 4177044 |
| 26 | 5269996 |
| 27 | 6598660 |
| 28 | 8203840 |
| 29 | 10131792 |
| 30 | 12434752 |
| 31 | 15171497 |