n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 4 |
4 | 5 |
5 | 6 |
6 | 28 |
7 | 40 |
8 | 54 |
9 | 280 |
10 | 440 |
11 | 648 |
12 | 3640 |
13 | 6160 |
14 | 9720 |
15 | 58240 |
16 | 104720 |
17 | 174960 |
18 | 1106560 |
19 | 2094400 |
20 | 3674160 |
21 | 24344320 |
22 | 48171200 |
23 | 88179840 |
24 | 608608000 |
25 | 1252451200 |
26 | 2380855680 |
27 | 17041024000 |
28 | 36321084800 |
29 | 71425670400 |
30 | 528271744000 |
31 | 1162274713600 |
[1,1,1,4,5,6,28,40,54,280,440,648,3640,6160,9720, 58240,104720,174960,1106560,2094400,3674160, 24344320,48171200,88179840,608608000,1252451200, 2380855680,17041024000,36321084800,71425670400, 528271744000,1162274713600] |