n | a(n) |
---|---|
7 | 1 |
8 | 48 |
9 | 1240 |
10 | 25864 |
11 | 496944 |
12 | 9234368 |
13 | 169378560 |
14 | 3095526912 |
15 | 56624998400 |
16 | 1039080697856 |
17 | 19147850612736 |
18 | 354499096477696 |
19 | 6594549035106304 |
20 | 123254413518962688 |
21 | 2314187071702433792 |
22 | 43639888872132837376 |
23 | 826342030562687975424 |
24 | 15708220978126028537856 |
25 | 299700151992553060696064 |
[1,48,1240,25864,496944,9234368,169378560, 3095526912,56624998400,1039080697856, 19147850612736,354499096477696,6594549035106304, 123254413518962688,2314187071702433792, 43639888872132837376,826342030562687975424, 15708220978126028537856,299700151992553060696064] |