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 | 1 |
| 2 | 9 |
| 3 | 31 |
| 4 | 75 |
| 5 | 146 |
| 6 | 256 |
| 7 | 406 |
| 8 | 610 |
| 9 | 870 |
| 10 | 1194 |
| 11 | 1590 |
| 12 | 2069 |
| 13 | 2631 |
| 14 | 3286 |
| 15 | 4043 |
| 16 | 4910 |
| 17 | 5889 |
| 18 | 6997 |
| 19 | 8228 |
| 20 | 9600 |
| 21 | 11114 |
| 22 | 12781 |
| 23 | 14605 |
| 24 | 16599 |
| 25 | 18760 |
| 26 | 21106 |
| 27 | 23636 |
| 28 | 26363 |
| 29 | 29292 |
| 30 | 32429 |
| 31 | 35781 |
| 32 | 39359 |
| 33 | 43169 |
| 34 | 47212 |
| 35 | 51505 |
| 36 | 56054 |
| 37 | 60855 |
| 38 | 65924 |
| 39 | 71268 |
| 40 | 76898 |
| 41 | 82807 |
| 42 | 89021 |