n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 8 |
3 | 44 |
4 | 308 |
5 | 2612 |
6 | 25988 |
7 | 296564 |
8 | 3816548 |
9 | 54667412 |
10 | 862440068 |
11 | 14857100084 |
12 | 277474957988 |
13 | 5584100659412 |
14 | 120462266974148 |
15 | 2772968936479604 |
16 | 67843210855558628 |
17 | 1757952715142990612 |
18 | 48093560991292628228 |
19 | 1385244691781856307124 |
[1,2,8,44,308,2612,25988,296564,3816548,54667412, 862440068,14857100084,277474957988,5584100659412, 120462266974148,2772968936479604, 67843210855558628,1757952715142990612, 48093560991292628228,1385244691781856307124] |