n | a(n) |
---|---|
0 | 0 |
1 | 2 |
2 | 10 |
3 | 44 |
4 | 188 |
5 | 798 |
6 | 3382 |
7 | 14328 |
8 | 60696 |
9 | 257114 |
10 | 1089154 |
11 | 4613732 |
12 | 19544084 |
13 | 82790070 |
14 | 350704366 |
15 | 1485607536 |
16 | 6293134512 |
17 | 26658145586 |
18 | 112925716858 |
19 | 478361013020 |
20 | 2026369768940 |
21 | 8583840088782 |
22 | 36361730124070 |
23 | 154030760585064 |
24 | 652484772464328 |
25 | 2763969850442378 |
[0,2,10,44,188,798,3382,14328,60696,257114, 1089154,4613732,19544084,82790070,350704366, 1485607536,6293134512,26658145586,112925716858, 478361013020,2026369768940,8583840088782, 36361730124070,154030760585064,652484772464328, 2763969850442378] |