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 | 6 |
2 | 252 |
3 | 4536 |
4 | 2476656 |
5 | 3714984 |
6 | 35574686784 |
7 | 15246294336 |
8 | 582713369521920 |
9 | 1123804355506560 |
10 | 2048470579217357568 |
11 | 35116638500868986880 |
12 | 283061106066827553906954240 |
13 | 4665842407694959679784960 |
14 | 1533625072670071687067878072320 |
15 | 394360732972304148103168647168 |