n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 0 |
6 | 0 |
7 | 1 |
8 | 1 |
9 | 10 |
10 | 10 |
11 | 65 |
12 | 65 |
13 | 350 |
14 | 349 |
15 | 1701 |
16 | 1700 |
17 | 7770 |
18 | 7760 |
19 | 34105 |
20 | 34095 |
21 | 145749 |
22 | 145685 |
23 | 611501 |
24 | 611435 |
25 | 2532530 |
26 | 2532180 |
27 | 10391735 |
28 | 10391395 |
29 | 42355950 |
30 | 42354239 |
31 | 171798901 |
[0,0,0,0,0,0,1,1,10,10,65,65,350,349,1701,1700, 7770,7760,34105,34095,145749,145685,611501,611435, 2532530,2532180,10391735,10391395,42355950, 42354239,171798901] |