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) |
|---|---|
| 7 | 14 |
| 8 | 14 |
| 9 | 36 |
| 10 | 57 |
| 11 | 155 |
| 12 | 316 |
| 13 | 902 |
| 14 | 2053 |
| 15 | 6059 |
| 16 | 14810 |
| 17 | 44842 |
| 18 | 115009 |
| 19 | 355293 |
| 20 | 943860 |
| 21 | 2963536 |
| 22 | 8086913 |
| 23 | 25733325 |
| 24 | 71725012 |
| 25 | 230811370 |
| 26 | 654472364 |
| 27 | 2126296860 |
| 28 | 6115504594 |
| 29 | 20032488714 |
| 30 | 58309793101 |