n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 0 |
6 | 0 |
7 | 4 |
8 | 7 |
9 | 16 |
10 | 24 |
11 | 88 |
12 | 154 |
13 | 314 |
14 | 479 |
15 | 959 |
16 | 1568 |
17 | 2620 |
18 | 4394 |
19 | 7110 |
20 | 11987 |
21 | 18434 |
22 | 31444 |
23 | 46474 |
24 | 78790 |
25 | 114464 |
26 | 194921 |
27 | 276169 |
28 | 471971 |
29 | 656213 |
30 | 1123888 |
31 | 1535212 |
32 | 2648075 |
33 | 3543260 |
[0,0,0,0,0,0,4,7,16,24,88,154,314,479,959,1568, 2620,4394,7110,11987,18434,31444,46474,78790, 114464,194921,276169,471971,656213,1123888, 1535212,2648075,3543260] |