n | a(n) |
---|---|
1 | 1 |
2 | 7 |
3 | 32 |
4 | 258 |
5 | 1232 |
6 | 10291 |
7 | 48826 |
8 | 405404 |
9 | 1922824 |
10 | 15957927 |
11 | 75674424 |
12 | 627937288 |
13 | 2977619007 |
14 | 24707220314 |
15 | 117158008335 |
16 | 972128626445 |
17 | 4609679165199 |
18 | 38249153789915 |
19 | 181371291266288 |
20 | 1504941221689915 |
21 | 7136186544470695 |
[1,7,32,258,1232,10291,48826,405404,1922824, 15957927,75674424,627937288,2977619007, 24707220314,117158008335,972128626445, 4609679165199,38249153789915,181371291266288, 1504941221689915,7136186544470695] |