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 | 0 |
2 | 2 |
3 | 20 |
4 | 328 |
5 | 7664 |
6 | 231744 |
7 | 8560512 |
8 | 372339840 |
9 | 18593869184 |
10 | 1046764673152 |
11 | 65518908623360 |
12 | 4510397034460160 |
13 | 338534873778165760 |
14 | 27505042556295458816 |
15 | 2404499023598887772160 |
16 | 225014884122460397678592 |
17 | 22441327480906466274779136 |
18 | 2376060993772932821157273600 |
19 | 266169866452350363506325897216 |
20 | 31451236460722731478509841711104 |