n | a(n) |
---|---|
1 | 2 |
2 | 4 |
3 | 24 |
4 | 304 |
5 | 7072 |
6 | 294208 |
7 | 22272896 |
8 | 3156061952 |
9 | 857517830656 |
10 | 454271687304192 |
11 | 474176281265526784 |
12 | 981485679577766473728 |
13 | 4043641804936271388647424 |
14 | 33230444803201427664559095808 |
[2,4,24,304,7072,294208,22272896,3156061952, 857517830656,454271687304192,474176281265526784, 981485679577766473728,4043641804936271388647424, 33230444803201427664559095808] |