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) |
|---|---|
| 11 | 5 |
| 12 | 14 |
| 13 | 42 |
| 14 | 90 |
| 15 | 197 |
| 16 | 368 |
| 17 | 680 |
| 18 | 1152 |
| 19 | 1926 |
| 20 | 3044 |
| 21 | 4740 |
| 22 | 7100 |
| 23 | 10494 |
| 24 | 15072 |
| 25 | 21384 |
| 26 | 29680 |
| 27 | 40755 |
| 28 | 54994 |
| 29 | 73502 |
| 30 | 96854 |
| 31 | 126555 |
| 32 | 163424 |
| 33 | 209456 |
| 34 | 265792 |
| 35 | 335036 |
| 36 | 418728 |
| 37 | 520200 |
| 38 | 641496 |
| 39 | 786828 |
| 40 | 958848 |
| 41 | 1162800 |
| 42 | 1402080 |