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 | 10 |
| 2 | 14 |
| 3 | 65 |
| 4 | 391 |
| 5 | 1003 |
| 6 | 2602 |
| 7 | 10967 |
| 8 | 2178341 |
| 9 | 701408777 |
| 10 | 86267571326 |
| 11 | 591286729937 |
| 12 | 4052739537943 |
| 13 | 72723460248209 |
| 14 | 117669030461063 |
| 15 | 3416454622906783 |
| 16 | 61305790721611673 |
| 17 | 420196140727489759 |
| 18 | 2427893228399975082557 |
| 19 | 251728825683549488150424389 |