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 | 7 |
| 2 | 112 |
| 3 | 115 |
| 4 | 157 |
| 5 | 372 |
| 6 | 432 |
| 7 | 1340 |
| 8 | 7034 |
| 9 | 8396 |
| 10 | 9200 |
| 11 | 18846 |
| 12 | 29558 |
| 13 | 34050 |
| 14 | 89754 |
| 15 | 101768 |
| 16 | 1361737 |
| 17 | 48461857 |
| 18 | 81164005 |
| 19 | 145676139 |
| 20 | 163820009 |
| 21 | 182446527 |
| 22 | 5021656281 |
| 23 | 8401618827 |
| 24 | 22255558907 |
| 25 | 28334352230 |
| 26 | 127113921970 |
| 27 | 310272097461 |
| 28 | 782301280193 |
| 29 | 5560255100022 |
| 30 | 9925600136870 |
| 31 | 85169484256928 |
| 32 | 2542699818508737 |
| 33 | 3145584963639199 |
| 34 | 397021758001902006 |
| 35 | 467746771316089905 |