n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 5 |
4 | 8 |
5 | 30 |
6 | 88 |
7 | 378 |
8 | 1400 |
9 | 7128 |
10 | 31456 |
11 | 182640 |
12 | 932960 |
13 | 6048912 |
14 | 35000320 |
15 | 249904656 |
16 | 1609079552 |
17 | 12518446848 |
18 | 88532931328 |
19 | 744008722944 |
20 | 5721984568832 |
21 | 51576606895104 |
22 | 427904524628992 |
23 | 4112973567496704 |
24 | 36567439575256064 |
25 | 372971541998834688 |
[1,2,5,8,30,88,378,1400,7128,31456,182640,932960, 6048912,35000320,249904656,1609079552,12518446848, 88532931328,744008722944,5721984568832, 51576606895104,427904524628992,4112973567496704, 36567439575256064,372971541998834688] |