n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 21 |
4 | 44 |
5 | 560 |
6 | 752 |
7 | 2064 |
8 | 12224 |
9 | 98595 |
10 | 38735300 |
11 | 53668332 |
12 | 147728896 |
13 | 407729196 |
14 | 423212608 |
15 | 516441712 |
16 | 1227777925 |
17 | 1323319996 |
18 | 20440128681 |
19 | 153088685248 |
20 | 206158168064 |
21 | 375868306368 |
22 | 798666196041 |
[1,2,21,44,560,752,2064,12224,98595,38735300, 53668332,147728896,407729196,423212608,516441712, 1227777925,1323319996,20440128681,153088685248, 206158168064,375868306368,798666196041] |