n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 5 |
3 | 32 |
4 | 254 |
5 | 2414 |
6 | 26746 |
7 | 338568 |
8 | 4820952 |
9 | 76270032 |
10 | 1327263024 |
11 | 25196689968 |
12 | 518190651744 |
13 | 11476753967184 |
14 | 272339818023984 |
15 | 6893370154797312 |
16 | 185387657162396544 |
17 | 5279022594143270784 |
18 | 158674547929990485888 |
19 | 5020389181983702415104 |
20 | 166784921186052433648896 |
[0,1,5,32,254,2414,26746,338568,4820952,76270032, 1327263024,25196689968,518190651744, 11476753967184,272339818023984,6893370154797312, 185387657162396544,5279022594143270784, 158674547929990485888,5020389181983702415104, 166784921186052433648896] |