n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 2 |
3 | 6 |
4 | 12 |
5 | 25 |
6 | 48 |
7 | 91 |
8 | 168 |
9 | 306 |
10 | 550 |
11 | 979 |
12 | 1728 |
13 | 3029 |
14 | 5278 |
15 | 9150 |
16 | 15792 |
17 | 27149 |
18 | 46512 |
19 | 79439 |
20 | 135300 |
21 | 229866 |
22 | 389642 |
23 | 659111 |
24 | 1112832 |
25 | 1875625 |
26 | 3156218 |
27 | 5303286 |
28 | 8898708 |
29 | 14912641 |
30 | 24961200 |
31 | 41734339 |
32 | 69705888 |
33 | 116311074 |
34 | 193898158 |
35 | 322961275 |
36 | 537492672 |
[0,1,2,6,12,25,48,91,168,306,550,979,1728,3029, 5278,9150,15792,27149,46512,79439,135300,229866, 389642,659111,1112832,1875625,3156218,5303286, 8898708,14912641,24961200,41734339,69705888, 116311074,193898158,322961275,537492672] |