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 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 4 |
| 4 | 10 |
| 5 | 21 |
| 6 | 47 |
| 7 | 92 |
| 8 | 202 |
| 9 | 355 |
| 10 | 782 |
| 11 | 1332 |
| 12 | 2839 |
| 13 | 4733 |
| 14 | 10103 |
| 15 | 16344 |
| 16 | 34762 |
| 17 | 55761 |
| 18 | 117632 |
| 19 | 186980 |
| 20 | 392790 |
| 21 | 619805 |
| 22 | 1297727 |
| 23 | 2037180 |
| 24 | 4248151 |
| 25 | 6642921 |
| 26 | 13812710 |
| 27 | 21522622 |
| 28 | 44630687 |
| 29 | 69353037 |
| 30 | 143470907 |
| 31 | 222408044 |
| 32 | 459129802 |
| 33 | 710268189 |
| 34 | 1463532722 |
| 35 | 2259952352 |