n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 7 |
4 | 1 |
5 | 25 |
6 | 265 |
7 | 1 |
8 | 79 |
9 | 2161 |
10 | 41503 |
11 | 1 |
12 | 241 |
13 | 16081 |
14 | 693601 |
15 | 24997921 |
16 | 1 |
17 | 727 |
18 | 115465 |
19 | 10924399 |
20 | 831719761 |
21 | 57366997447 |
22 | 1 |
23 | 2185 |
24 | 816985 |
25 | 167578321 |
26 | 26666530801 |
27 | 3776451407065 |
28 | 505874809287625 |
[1,1,7,1,25,265,1,79,2161,41503,1,241,16081, 693601,24997921,1,727,115465,10924399,831719761, 57366997447,1,2185,816985,167578321,26666530801, 3776451407065,505874809287625] |