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 | 11 |
| 2 | 65 |
| 3 | 276 |
| 4 | 945 |
| 5 | 2772 |
| 6 | 7228 |
| 7 | 17170 |
| 8 | 37807 |
| 9 | 78156 |
| 10 | 153164 |
| 11 | 286714 |
| 12 | 515781 |
| 13 | 896057 |
| 14 | 1509422 |
| 15 | 2473703 |
| 16 | 3955234 |
| 17 | 6184807 |
| 18 | 9477688 |
| 19 | 14258463 |
| 20 | 21091575 |
| 21 | 30718516 |
| 22 | 44102746 |
| 23 | 62483525 |
| 24 | 87439965 |
| 25 | 120966735 |
| 26 | 165562983 |
| 27 | 224336176 |
| 28 | 301122703 |
| 29 | 400627235 |
| 30 | 528582993 |
| 31 | 691935236 |
| 32 | 899050449 |
| 33 | 1159953885 |
| 34 | 1486598294 |
| 35 | 1893166856 |
| 36 | 2396413526 |
| 37 | 3016044198 |