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 | 96 |
| 2 | 1944 |
| 3 | 40392 |
| 4 | 842616 |
| 5 | 17587584 |
| 6 | 367125912 |
| 7 | 7663517136 |
| 8 | 159971190624 |
| 9 | 3339300422232 |
| 10 | 69705848287656 |
| 11 | 1455066835631064 |
| 12 | 30373627879088352 |
| 13 | 634030855481713176 |
| 14 | 13235005291610993904 |
| 15 | 276272619155126818272 |