Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 5 |
3 | 50 |
4 | 720 |
5 | 13650 |
6 | 320370 |
7 | 8967720 |
8 | 291538080 |
9 | 10795026840 |
10 | 448484788680 |
11 | 20658543923280 |
12 | 1044915105622800 |
13 | 57572197848878400 |
14 | 3432143603792520000 |
15 | 220109018869587398400 |
16 | 15110184224165199667200 |
17 | 1105545474191480800492800 |
18 | 85881534014930659599571200 |
[1,1,5,50,720,13650,320370,8967720,291538080, 10795026840,448484788680,20658543923280, 1044915105622800,57572197848878400, 3432143603792520000,220109018869587398400, 15110184224165199667200,1105545474191480800492800, 85881534014930659599571200] |