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 | 34 |
| 2 | 169 |
| 3 | 194 |
| 4 | 985 |
| 5 | 4181 |
| 6 | 9077 |
| 7 | 14701 |
| 8 | 51641 |
| 9 | 135137 |
| 10 | 294685 |
| 11 | 499393 |
| 12 | 646018 |
| 13 | 925765 |
| 14 | 1136689 |
| 15 | 1346269 |
| 16 | 2012674 |
| 17 | 6625109 |
| 18 | 8399329 |
| 19 | 9647009 |
| 20 | 11485154 |
| 21 | 16964653 |
| 22 | 21531778 |
| 23 | 43484701 |
| 24 | 48928105 |
| 25 | 111242465 |
| 26 | 137295677 |
| 27 | 144059117 |
| 28 | 165580141 |
| 29 | 225058681 |
| 30 | 253191266 |