n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 4 |
3 | 8 |
4 | 20 |
5 | 36 |
6 | 86 |
7 | 150 |
8 | 314 |
9 | 564 |
10 | 1088 |
11 | 1902 |
12 | 3557 |
13 | 6085 |
14 | 10902 |
15 | 18506 |
16 | 32124 |
17 | 53584 |
18 | 91133 |
19 | 149749 |
20 | 249315 |
21 | 405121 |
22 | 662582 |
23 | 1063152 |
24 | 1714580 |
25 | 2719842 |
26 | 4327302 |
27 | 6797316 |
28 | 10686005 |
29 | 16622003 |
30 | 25861855 |
31 | 39866017 |
32 | 61422891 |
33 | 93910783 |
34 | 143406552 |
35 | 217537696 |
[1,1,4,8,20,36,86,150,314,564,1088,1902,3557,6085, 10902,18506,32124,53584,91133,149749,249315, 405121,662582,1063152,1714580,2719842,4327302, 6797316,10686005,16622003,25861855,39866017, 61422891,93910783,143406552,217537696] |