n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 1 |
4 | 7 |
5 | 3 |
6 | 1 |
7 | 37 |
8 | 66 |
9 | 19 |
10 | 1 |
11 | 175 |
12 | 975 |
13 | 990 |
14 | 219 |
15 | 1 |
16 | 781 |
17 | 12090 |
18 | 32575 |
19 | 23345 |
20 | 4231 |
21 | 1 |
22 | 3367 |
23 | 135903 |
24 | 866550 |
25 | 1514610 |
26 | 814903 |
27 | 130023 |
[1,1,1,1,7,3,1,37,66,19,1,175,975,990,219,1,781, 12090,32575,23345,4231,1,3367,135903,866550, 1514610,814903,130023] |