n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 0 |
4 | 1 |
5 | 0 |
6 | 3 |
7 | 3 |
8 | 11 |
9 | 10 |
10 | 40 |
11 | 52 |
12 | 130 |
13 | 154 |
14 | 482 |
15 | 649 |
16 | 1756 |
17 | 2483 |
18 | 6479 |
19 | 9640 |
20 | 24022 |
21 | 34812 |
22 | 89306 |
23 | 136739 |
24 | 335115 |
25 | 510833 |
26 | 1265350 |
27 | 1982321 |
28 | 4781514 |
29 | 7508064 |
30 | 18079040 |
31 | 28833595 |
32 | 68709969 |
33 | 110272081 |
34 | 262002130 |
35 | 425542739 |
36 | 1000343760 |
37 | 1632745091 |
38 | 3828253857 |
39 | 6305334325 |
40 | 14683465908 |
[0,0,0,1,0,3,3,11,10,40,52,130,154,482,649,1756, 2483,6479,9640,24022,34812,89306,136739,335115, 510833,1265350,1982321,4781514,7508064,18079040, 28833595,68709969,110272081,262002130,425542739, 1000343760,1632745091,3828253857,6305334325, 14683465908] |