n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 0 |
3 | 1 |
4 | 3 |
5 | 16 |
6 | 26 |
7 | 20 |
8 | 69 |
9 | 370 |
10 | 1006 |
11 | 945 |
12 | 1266 |
13 | 3015 |
14 | 2365 |
15 | 1001 |
16 | 4367 |
17 | 24736 |
18 | 76960 |
19 | 69615 |
20 | 138397 |
21 | 322944 |
22 | 286824 |
23 | 133056 |
24 | 159391 |
25 | 546504 |
26 | 978054 |
27 | 674245 |
28 | 531530 |
29 | 957320 |
30 | 495495 |
31 | 142506 |
32 | 906191 |
33 | 5537808 |
34 | 18828096 |
35 | 16231039 |
36 | 37000909 |
37 | 81351936 |
38 | 71761536 |
[1,0,0,1,3,16,26,20,69,370,1006,945,1266,3015, 2365,1001,4367,24736,76960,69615,138397,322944, 286824,133056,159391,546504,978054,674245,531530, 957320,495495,142506,906191,5537808,18828096, 16231039,37000909,81351936,71761536] |