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 | 7 |
| 2 | 15 |
| 3 | 30 |
| 4 | 46 |
| 5 | 69 |
| 6 | 93 |
| 7 | 124 |
| 8 | 156 |
| 9 | 195 |
| 10 | 235 |
| 11 | 282 |
| 12 | 330 |
| 13 | 385 |
| 14 | 441 |
| 15 | 504 |
| 16 | 568 |
| 17 | 639 |
| 18 | 711 |
| 19 | 790 |
| 20 | 870 |
| 21 | 957 |
| 22 | 1045 |
| 23 | 1140 |
| 24 | 1236 |
| 25 | 1339 |
| 26 | 1443 |
| 27 | 1554 |
| 28 | 1666 |
| 29 | 1785 |
| 30 | 1905 |
| 31 | 2032 |
| 32 | 2160 |
| 33 | 2295 |
| 34 | 2431 |
| 35 | 2574 |
| 36 | 2718 |
| 37 | 2869 |
| 38 | 3021 |
| 39 | 3180 |
| 40 | 3340 |
| 41 | 3507 |
| 42 | 3675 |
| 43 | 3850 |