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 | 0 |
| 2 | 0 |
| 3 | 2 |
| 4 | 9 |
| 5 | 22 |
| 6 | 42 |
| 7 | 70 |
| 8 | 107 |
| 9 | 154 |
| 10 | 212 |
| 11 | 282 |
| 12 | 365 |
| 13 | 462 |
| 14 | 574 |
| 15 | 702 |
| 16 | 847 |
| 17 | 1010 |
| 18 | 1192 |
| 19 | 1394 |
| 20 | 1617 |
| 21 | 1862 |
| 22 | 2130 |
| 23 | 2422 |
| 24 | 2739 |
| 25 | 3082 |
| 26 | 3452 |
| 27 | 3850 |
| 28 | 4277 |
| 29 | 4734 |
| 30 | 5222 |
| 31 | 5742 |
| 32 | 6295 |
| 33 | 6882 |
| 34 | 7504 |
| 35 | 8162 |
| 36 | 8857 |
| 37 | 9590 |
| 38 | 10362 |
| 39 | 11174 |
| 40 | 12027 |
| 41 | 12922 |
| 42 | 13860 |
| 43 | 14842 |
| 44 | 15869 |
| 45 | 16942 |
| 46 | 18062 |