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 | 15 |
| 2 | 65 |
| 3 | 185 |
| 4 | 420 |
| 5 | 826 |
| 6 | 1470 |
| 7 | 2430 |
| 8 | 3795 |
| 9 | 5665 |
| 10 | 8151 |
| 11 | 11375 |
| 12 | 15470 |
| 13 | 20580 |
| 14 | 26860 |
| 15 | 34476 |
| 16 | 43605 |
| 17 | 54435 |
| 18 | 67165 |
| 19 | 82005 |
| 20 | 99176 |
| 21 | 118910 |
| 22 | 141450 |
| 23 | 167050 |
| 24 | 195975 |
| 25 | 228501 |
| 26 | 264915 |
| 27 | 305515 |
| 28 | 350610 |
| 29 | 400520 |
| 30 | 455576 |
| 31 | 516120 |
| 32 | 582505 |
| 33 | 655095 |
| 34 | 734265 |