n | a(n) |
---|---|
4 | 1 |
5 | 4 |
6 | 10 |
7 | 24 |
8 | 55 |
9 | 132 |
10 | 322 |
11 | 804 |
12 | 2051 |
13 | 5304 |
14 | 13886 |
15 | 36716 |
16 | 97882 |
17 | 262756 |
18 | 709658 |
19 | 1926748 |
20 | 5255707 |
21 | 14396048 |
22 | 39580338 |
23 | 109190052 |
24 | 302148814 |
25 | 838449236 |
26 | 2332652648 |
27 | 6505071080 |
28 | 18180441512 |
29 | 50914047384 |
30 | 142853059922 |
31 | 401517522844 |
32 | 1130400537667 |
33 | 3187335556064 |
[1,4,10,24,55,132,322,804,2051,5304,13886,36716, 97882,262756,709658,1926748,5255707,14396048, 39580338,109190052,302148814,838449236,2332652648, 6505071080,18180441512,50914047384,142853059922, 401517522844,1130400537667,3187335556064] |