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 | 6 |
| 2 | 20 |
| 3 | 52 |
| 4 | 108 |
| 5 | 211 |
| 6 | 388 |
| 7 | 664 |
| 8 | 1045 |
| 9 | 1617 |
| 10 | 2510 |
| 11 | 3607 |
| 12 | 5118 |
| 13 | 7066 |
| 14 | 9748 |
| 15 | 12793 |
| 16 | 17061 |
| 17 | 22342 |
| 18 | 28874 |
| 19 | 36560 |
| 20 | 45745 |
| 21 | 57814 |
| 22 | 72997 |
| 23 | 87555 |
| 24 | 106888 |
| 25 | 129783 |