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) |
|---|---|
| 14 | 12 |
| 15 | 145 |
| 16 | 911 |
| 17 | 4121 |
| 18 | 15029 |
| 19 | 47022 |
| 20 | 130895 |
| 21 | 332175 |
| 22 | 781542 |
| 23 | 1726194 |
| 24 | 3612937 |
| 25 | 7218784 |
| 26 | 13849864 |
| 27 | 25637680 |
| 28 | 45969845 |
| 29 | 80105273 |
| 30 | 136036089 |
| 31 | 225677767 |
| 32 | 366486971 |
| 33 | 583634189 |
| 34 | 912883787 |
| 35 | 1404372594 |
| 36 | 2127513223 |
| 37 | 3177300763 |