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 | 9 |
| 2 | 36 |
| 3 | 93 |
| 4 | 198 |
| 5 | 378 |
| 6 | 633 |
| 7 | 990 |
| 8 | 1521 |
| 9 | 2173 |
| 10 | 2979 |
| 11 | 4113 |
| 12 | 5370 |
| 13 | 6858 |
| 14 | 8955 |
| 15 | 11055 |
| 16 | 13446 |
| 17 | 16830 |
| 18 | 20031 |
| 19 | 23724 |
| 20 | 28836 |
| 21 | 33381 |
| 22 | 38520 |
| 23 | 45729 |
| 24 | 52203 |
| 25 | 59121 |
| 26 | 68922 |
| 27 | 77461 |
| 28 | 86283 |
| 29 | 99747 |
| 30 | 110547 |
| 31 | 121500 |
| 32 | 138870 |
| 33 | 152034 |
| 34 | 166725 |
| 35 | 188568 |
| 36 | 204156 |
| 37 | 221760 |
| 38 | 248310 |
| 39 | 268713 |
| 40 | 289422 |
| 41 | 321786 |
| 42 | 345570 |
| 43 | 369036 |