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 | 4 |
| 2 | 4 |
| 3 | 8 |
| 4 | 12 |
| 5 | 20 |
| 6 | 32 |
| 7 | 52 |
| 8 | 84 |
| 9 | 136 |
| 10 | 220 |
| 11 | 356 |
| 12 | 576 |
| 13 | 932 |
| 14 | 1508 |
| 15 | 2440 |
| 16 | 3948 |
| 17 | 6388 |
| 18 | 10336 |
| 19 | 16724 |
| 20 | 27060 |
| 21 | 43784 |
| 22 | 70844 |
| 23 | 114628 |
| 24 | 185472 |
| 25 | 300100 |
| 26 | 485572 |
| 27 | 785672 |
| 28 | 1271244 |
| 29 | 2056916 |
| 30 | 3328160 |
| 31 | 5385076 |
| 32 | 8713236 |
| 33 | 14098312 |
| 34 | 22811548 |
| 35 | 36909860 |
| 36 | 59721408 |
| 37 | 96631268 |