n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 1 |
6 | 6 |
7 | 21 |
8 | 56 |
9 | 126 |
10 | 252 |
11 | 463 |
12 | 804 |
13 | 1365 |
14 | 2366 |
15 | 4368 |
16 | 8736 |
17 | 18565 |
18 | 40410 |
19 | 87381 |
20 | 184604 |
21 | 379050 |
22 | 758100 |
23 | 1486675 |
24 | 2884776 |
25 | 5592405 |
26 | 10919090 |
27 | 21572460 |
28 | 43144920 |
29 | 87087001 |
30 | 176565486 |
31 | 357913941 |
32 | 723002336 |
33 | 1453179126 |
34 | 2906358252 |
35 | 5791193143 |
[0,0,0,0,0,1,6,21,56,126,252,463,804,1365,2366, 4368,8736,18565,40410,87381,184604,379050,758100, 1486675,2884776,5592405,10919090,21572460, 43144920,87087001,176565486,357913941,723002336, 1453179126,2906358252,5791193143] |