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) |
|---|---|
| 1 | 1 |
| 2 | 4 |
| 3 | 12 |
| 4 | 27 |
| 5 | 52 |
| 6 | 92 |
| 7 | 148 |
| 8 | 230 |
| 9 | 335 |
| 10 | 480 |
| 11 | 656 |
| 12 | 889 |
| 13 | 1162 |
| 14 | 1512 |
| 15 | 1912 |
| 16 | 2412 |
| 17 | 2973 |
| 18 | 3660 |
| 19 | 4420 |
| 20 | 5335 |
| 21 | 6336 |
| 22 | 7524 |
| 23 | 8812 |
| 24 | 10322 |
| 25 | 11947 |
| 26 | 13832 |
| 27 | 15848 |
| 28 | 18165 |
| 29 | 20630 |
| 30 | 23440 |
| 31 | 26416 |
| 32 | 29784 |
| 33 | 33337 |
| 34 | 37332 |
| 35 | 41532 |
| 36 | 46227 |
| 37 | 51148 |
| 38 | 56620 |
| 39 | 62340 |
| 40 | 68670 |