n | a(n) |
---|---|
8 | 1 |
9 | 288 |
10 | 18600 |
11 | 649440 |
12 | 18650346 |
13 | 378728064 |
14 | 6346968056 |
15 | 99768480240 |
16 | 1370094506209 |
17 | 17452476893280 |
18 | 204026690329800 |
19 | 2291047776886752 |
20 | 24663963563727574 |
21 | 256637317406331648 |
22 | 2540192740448641960 |
23 | 24558666993552144288 |
24 | 233835181800425532162 |
[1,288,18600,649440,18650346,378728064,6346968056, 99768480240,1370094506209,17452476893280, 204026690329800,2291047776886752, 24663963563727574,256637317406331648, 2540192740448641960,24558666993552144288, 233835181800425532162] |