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 | 1 |
| 1 | 35 |
| 2 | 165 |
| 3 | 455 |
| 4 | 969 |
| 5 | 1771 |
| 6 | 2925 |
| 7 | 4495 |
| 8 | 6545 |
| 9 | 9139 |
| 10 | 12341 |
| 11 | 16215 |
| 12 | 20825 |
| 13 | 26235 |
| 14 | 32509 |
| 15 | 39711 |
| 16 | 47905 |
| 17 | 57155 |
| 18 | 67525 |
| 19 | 79079 |
| 20 | 91881 |
| 21 | 105995 |
| 22 | 121485 |
| 23 | 138415 |
| 24 | 156849 |
| 25 | 176851 |
| 26 | 198485 |
| 27 | 221815 |
| 28 | 246905 |
| 29 | 273819 |
| 30 | 302621 |
| 31 | 333375 |
| 32 | 366145 |
| 33 | 400995 |
| 34 | 437989 |
| 35 | 477191 |
| 36 | 518665 |