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 | 64 |
| 2 | 731 |
| 3 | 4553 |
| 4 | 20155 |
| 5 | 71272 |
| 6 | 214653 |
| 7 | 572743 |
| 8 | 1389702 |
| 9 | 3122752 |
| 10 | 6585183 |
| 11 | 13162741 |
| 12 | 25131718 |
| 13 | 46115029 |
| 14 | 81722067 |
| 15 | 140429357 |
| 16 | 234772177 |
| 17 | 382932581 |
| 18 | 610826859 |
| 19 | 954815625 |
| 20 | 1465182669 |
| 21 | 2210554686 |
| 22 | 3283463257 |
| 23 | 4807283267 |
| 24 | 6944818576 |
| 25 | 9908846494 |
| 26 | 13974977743 |
| 27 | 19497238421 |
| 28 | 26926835328 |