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 | 4 |
| 3 | 7 |
| 4 | 19 |
| 5 | 32 |
| 6 | 68 |
| 7 | 114 |
| 8 | 210 |
| 9 | 336 |
| 10 | 562 |
| 11 | 862 |
| 12 | 1349 |
| 13 | 1987 |
| 14 | 2950 |
| 15 | 4201 |
| 16 | 5991 |
| 17 | 8278 |
| 18 | 11422 |
| 19 | 15386 |
| 20 | 20660 |
| 21 | 27218 |
| 22 | 35718 |
| 23 | 46158 |
| 24 | 59401 |
| 25 | 75475 |
| 26 | 95494 |
| 27 | 119545 |
| 28 | 149035 |
| 29 | 184118 |
| 30 | 226562 |
| 31 | 276620 |
| 32 | 336470 |
| 33 | 406490 |
| 34 | 489344 |
| 35 | 585572 |
| 36 | 698397 |
| 37 | 828549 |
| 38 | 979896 |