n | a(n) |
---|---|
3 | 0 |
4 | 1 |
5 | 2 |
6 | 8 |
7 | 8 |
8 | 17 |
9 | 36 |
10 | 92 |
11 | 150 |
12 | 450 |
13 | 994 |
14 | 2538 |
15 | 6376 |
16 | 16262 |
17 | 41688 |
18 | 106612 |
19 | 276186 |
20 | 715846 |
21 | 1842938 |
22 | 4781414 |
23 | 12339054 |
24 | 32042540 |
25 | 83067330 |
26 | 215979914 |
27 | 562923018 |
28 | 1469848660 |
29 | 3846114754 |
30 | 10088441010 |
31 | 26508267458 |
[0,1,2,8,8,17,36,92,150,450,994,2538,6376,16262, 41688,106612,276186,715846,1842938,4781414, 12339054,32042540,83067330,215979914,562923018, 1469848660,3846114754,10088441010,26508267458] |