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 | 0 |
| 2 | 0 |
| 3 | 40 |
| 4 | 188 |
| 5 | 487 |
| 6 | 924 |
| 7 | 1499 |
| 8 | 2212 |
| 9 | 3063 |
| 10 | 4052 |
| 11 | 5179 |
| 12 | 6444 |
| 13 | 7847 |
| 14 | 9388 |
| 15 | 11067 |
| 16 | 12884 |
| 17 | 14839 |
| 18 | 16932 |
| 19 | 19163 |
| 20 | 21532 |
| 21 | 24039 |
| 22 | 26684 |
| 23 | 29467 |
| 24 | 32388 |
| 25 | 35447 |
| 26 | 38644 |
| 27 | 41979 |
| 28 | 45452 |
| 29 | 49063 |
| 30 | 52812 |
| 31 | 56699 |
| 32 | 60724 |
| 33 | 64887 |
| 34 | 69188 |
| 35 | 73627 |
| 36 | 78204 |
| 37 | 82919 |
| 38 | 87772 |
| 39 | 92763 |
| 40 | 97892 |