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) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 5 |
| 5 | 11 |
| 6 | 15 |
| 7 | 35 |
| 8 | 70 |
| 9 | 124 |
| 10 | 234 |
| 11 | 447 |
| 12 | 827 |
| 13 | 1529 |
| 14 | 2834 |
| 15 | 5222 |
| 16 | 9587 |
| 17 | 17573 |
| 18 | 32137 |
| 19 | 58641 |
| 20 | 106821 |
| 21 | 194280 |
| 22 | 352824 |
| 23 | 639913 |
| 24 | 1159238 |
| 25 | 2097759 |
| 26 | 3792375 |
| 27 | 6849778 |
| 28 | 12361822 |
| 29 | 22292405 |
| 30 | 40172089 |
| 31 | 72344671 |
| 32 | 130203409 |
| 33 | 234200988 |
| 34 | 421037335 |
| 35 | 756538955 |
| 36 | 1358728300 |