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 | 13 |
| 3 | 62 |
| 4 | 171 |
| 5 | 364 |
| 6 | 665 |
| 7 | 1098 |
| 8 | 1687 |
| 9 | 2456 |
| 10 | 3429 |
| 11 | 4630 |
| 12 | 6083 |
| 13 | 7812 |
| 14 | 9841 |
| 15 | 12194 |
| 16 | 14895 |
| 17 | 17968 |
| 18 | 21437 |
| 19 | 25326 |
| 20 | 29659 |
| 21 | 34460 |
| 22 | 39753 |
| 23 | 45562 |
| 24 | 51911 |
| 25 | 58824 |
| 26 | 66325 |
| 27 | 74438 |
| 28 | 83187 |
| 29 | 92596 |
| 30 | 102689 |
| 31 | 113490 |
| 32 | 125023 |
| 33 | 137312 |
| 34 | 150381 |
| 35 | 164254 |
| 36 | 178955 |
| 37 | 194508 |
| 38 | 210937 |
| 39 | 228266 |
| 40 | 246519 |
| 41 | 265720 |