n | a(n) |
---|---|
1 | 1 |
2 | 0 |
3 | 2 |
4 | 1 |
5 | 6 |
6 | 0 |
7 | 18 |
8 | 10 |
9 | 56 |
10 | 31 |
11 | 186 |
12 | 37 |
13 | 630 |
14 | 381 |
15 | 2182 |
16 | 1360 |
17 | 7710 |
18 | 511 |
19 | 27594 |
20 | 17459 |
21 | 99858 |
22 | 63457 |
23 | 364722 |
24 | 77650 |
25 | 1342176 |
26 | 860055 |
27 | 4971008 |
28 | 3195465 |
29 | 18512790 |
30 | 3975719 |
31 | 69273666 |
32 | 44738560 |
33 | 260300986 |
34 | 168426235 |
35 | 981706806 |
36 | 70698768 |
37 | 3714566310 |
38 | 2411195913 |
[1,0,2,1,6,0,18,10,56,31,186,37,630,381,2182,1360, 7710,511,27594,17459,99858,63457,364722,77650, 1342176,860055,4971008,3195465,18512790,3975719, 69273666,44738560,260300986,168426235,981706806, 70698768,3714566310,2411195913] |