n | a(n) |
---|---|
6 | 1 |
7 | 0 |
8 | 0 |
9 | 0 |
10 | 0 |
11 | 0 |
12 | 1 |
13 | 7 |
14 | 28 |
15 | 84 |
16 | 210 |
17 | 462 |
18 | 925 |
19 | 1723 |
20 | 3038 |
21 | 5145 |
22 | 8498 |
23 | 13930 |
24 | 23143 |
25 | 39859 |
26 | 72500 |
27 | 140266 |
28 | 286678 |
29 | 609217 |
30 | 1323197 |
31 | 2897511 |
32 | 6339636 |
33 | 13787488 |
34 | 29726648 |
35 | 63472185 |
36 | 134190162 |
37 | 280988786 |
38 | 583076160 |
39 | 1199816068 |
40 | 2449963412 |
41 | 4967798570 |
42 | 10009806563 |
[1,0,0,0,0,0,1,7,28,84,210,462,925,1723,3038,5145, 8498,13930,23143,39859,72500,140266,286678,609217, 1323197,2897511,6339636,13787488,29726648, 63472185,134190162,280988786,583076160,1199816068, 2449963412,4967798570,10009806563] |