n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 0 |
6 | 0 |
7 | 0 |
8 | 1 |
9 | 4 |
10 | 15 |
11 | 41 |
12 | 99 |
13 | 214 |
14 | 429 |
15 | 804 |
16 | 1430 |
17 | 2431 |
18 | 3978 |
19 | 6298 |
20 | 9690 |
21 | 14535 |
22 | 21318 |
23 | 30644 |
24 | 43263 |
25 | 60087 |
26 | 82225 |
27 | 111003 |
28 | 148005 |
29 | 195097 |
30 | 254475 |
31 | 328696 |
32 | 420732 |
33 | 534006 |
34 | 672452 |
35 | 840565 |
36 | 1043460 |
[0,0,0,0,0,0,0,0,1,4,15,41,99,214,429,804,1430, 2431,3978,6298,9690,14535,21318,30644,43263,60087, 82225,111003,148005,195097,254475,328696,420732, 534006,672452,840565,1043460] |