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 | 2 |
2 | 6 |
3 | 88 |
4 | 2780 |
5 | 116664 |
6 | 6267112 |
7 | 420608240 |
8 | 34572479504 |
9 | 3429310382112 |
10 | 405606535944256 |
11 | 56597546528049792 |
12 | 9224898378261096640 |
13 | 1739878267027277640320 |
14 | 376408403518123974467840 |
15 | 92655494325433865126295552 |
16 | 25760341142562165894390054656 |
17 | 8035192189219613566404655052288 |
18 | 2794962730829750601921056190097920 |
19 | 1078222968162147343121712468145172480 |