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 | 2 |
| 2 | 3 |
| 3 | 5 |
| 4 | 8 |
| 5 | 13 |
| 6 | 19 |
| 7 | 30 |
| 8 | 54 |
| 9 | 96 |
| 10 | 156 |
| 11 | 248 |
| 12 | 440 |
| 13 | 688 |
| 14 | 1120 |
| 15 | 1864 |
| 16 | 3664 |
| 17 | 5856 |
| 18 | 11232 |
| 19 | 16896 |
| 20 | 31296 |
| 21 | 53952 |
| 22 | 91008 |
| 23 | 137472 |
| 24 | 270528 |
| 25 | 516720 |
| 26 | 863088 |
| 27 | 1710816 |
| 28 | 3173856 |
| 29 | 4836672 |
| 30 | 9329472 |
| 31 | 14897376 |
| 32 | 29788128 |
| 33 | 52256448 |
| 34 | 88429248 |
| 35 | 166037184 |
| 36 | 331648704 |
| 37 | 497685888 |
| 38 | 829449600 |