n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 1 |
6 | 6 |
7 | 21 |
8 | 56 |
9 | 126 |
10 | 252 |
11 | 462 |
12 | 792 |
13 | 1288 |
14 | 2016 |
15 | 3108 |
16 | 4928 |
17 | 8569 |
18 | 17154 |
19 | 38931 |
20 | 94164 |
21 | 229824 |
22 | 550088 |
23 | 1278662 |
24 | 2884752 |
25 | 6335005 |
26 | 13590930 |
27 | 28575315 |
28 | 59014620 |
29 | 119878606 |
30 | 239662236 |
31 | 471605976 |
32 | 913302656 |
33 | 1740247806 |
34 | 3262146492 |
35 | 6015853242 |
[0,0,0,0,1,6,21,56,126,252,462,792,1288,2016,3108, 4928,8569,17154,38931,94164,229824,550088,1278662, 2884752,6335005,13590930,28575315,59014620, 119878606,239662236,471605976,913302656, 1740247806,3262146492,6015853242] |