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 | 37 |
| 2 | 6757 |
| 3 | 268655 |
| 4 | 16899640 |
| 5 | 1075678445 |
| 6 | 63350980838 |
| 7 | 3863740405975 |
| 8 | 234680441414485 |
| 9 | 14203234114710492 |
| 10 | 861618662716079824 |
| 11 | 52240779255897230595 |
| 12 | 3167041273737179764100 |
| 13 | 192025471018913375268462 |