Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 2 |
3 | 6 |
4 | 66 |
5 | 450 |
6 | 4550 |
7 | 45570 |
8 | 543130 |
9 | 7044450 |
10 | 102177222 |
11 | 1621316466 |
12 | 28089336198 |
13 | 526810157874 |
14 | 10641259374174 |
15 | 230281144233426 |
16 | 5315651069181882 |
17 | 130370668142722722 |
18 | 3385534486308684710 |
19 | 92801581965119911026 |
20 | 2677687786557636155446 |
21 | 81124824677426691365490 |
[1,0,2,6,66,450,4550,45570,543130,7044450, 102177222,1621316466,28089336198,526810157874, 10641259374174,230281144233426,5315651069181882, 130370668142722722,3385534486308684710, 92801581965119911026,2677687786557636155446, 81124824677426691365490] |