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 | 14 |
| 2 | 182 |
| 3 | 2275 |
| 4 | 28392 |
| 5 | 353808 |
| 6 | 4408950 |
| 7 | 54938520 |
| 8 | 684572616 |
| 9 | 8530235532 |
| 10 | 106292493216 |
| 11 | 1324476080928 |
| 12 | 16503864518232 |
| 13 | 205649272719072 |
| 14 | 2562528512535264 |
| 15 | 31930831990629936 |
| 16 | 397879682765894784 |