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) |
|---|---|
| 5 | 1 |
| 6 | 1 |
| 7 | 3 |
| 8 | 6 |
| 9 | 15 |
| 10 | 29 |
| 11 | 68 |
| 12 | 140 |
| 13 | 312 |
| 14 | 660 |
| 15 | 1443 |
| 16 | 3084 |
| 17 | 6710 |
| 18 | 14425 |
| 19 | 31278 |
| 20 | 67508 |
| 21 | 146300 |
| 22 | 316424 |
| 23 | 685955 |
| 24 | 1486008 |
| 25 | 3223480 |
| 26 | 6992012 |
| 27 | 15179437 |
| 28 | 32960891 |
| 29 | 71617874 |
| 30 | 155661971 |
| 31 | 338508703 |
| 32 | 736401503 |
| 33 | 1602712182 |
| 34 | 3489454243 |
| 35 | 7600403101 |
| 36 | 16560519877 |
| 37 | 36097320801 |