n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 0 |
6 | 5 |
7 | 35 |
8 | 140 |
9 | 420 |
10 | 1050 |
11 | 2310 |
12 | 4620 |
13 | 8580 |
14 | 15015 |
15 | 25025 |
16 | 40040 |
17 | 61880 |
18 | 92820 |
19 | 135660 |
20 | 193800 |
21 | 271320 |
22 | 373065 |
23 | 504735 |
24 | 672980 |
25 | 885500 |
26 | 1151150 |
27 | 1480050 |
28 | 1883700 |
29 | 2375100 |
30 | 2968875 |
31 | 3681405 |
32 | 4530960 |
33 | 5537840 |
34 | 6724520 |
35 | 8115800 |
36 | 9738960 |
37 | 11623920 |
38 | 13803405 |
[0,0,0,0,0,0,5,35,140,420,1050,2310,4620,8580, 15015,25025,40040,61880,92820,135660,193800, 271320,373065,504735,672980,885500,1151150, 1480050,1883700,2375100,2968875,3681405,4530960, 5537840,6724520,8115800,9738960,11623920,13803405] |