n | a(n) |
---|---|
1 | 0 |
2 | 1 |
3 | 2 |
4 | 3 |
5 | 6 |
6 | 8 |
7 | 16 |
8 | 24 |
9 | 42 |
10 | 69 |
11 | 124 |
12 | 208 |
13 | 378 |
14 | 668 |
15 | 1214 |
16 | 2220 |
17 | 4110 |
18 | 7630 |
19 | 14308 |
20 | 26931 |
21 | 50944 |
22 | 96782 |
23 | 184408 |
24 | 352450 |
25 | 675180 |
26 | 1296477 |
27 | 2493680 |
28 | 4805388 |
29 | 9272778 |
30 | 17919558 |
31 | 34669600 |
[0,1,2,3,6,8,16,24,42,69,124,208,378,668,1214, 2220,4110,7630,14308,26931,50944,96782,184408, 352450,675180,1296477,2493680,4805388,9272778, 17919558,34669600] |