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 | 5 |
| 2 | 31 |
| 3 | 283 |
| 4 | 3413 |
| 5 | 50069 |
| 6 | 17650823 |
| 7 | 10405071317 |
| 8 | 449317973725128511 |
| 9 | 18895749970915969007 |
| 10 | 18896062057839748031 |
| 11 | 846136323944176515589 |
| 12 | 40192544390028896900861 |
| 13 | 40192544398944997349117 |
| 14 | 40192544399240696440217 |
| 15 | 208492413443704093346554910065262730566475781 |