n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 9 |
4 | 61 |
5 | 554 |
6 | 6565 |
7 | 96677 |
8 | 1716730 |
9 | 36072181 |
10 | 881242577 |
11 | 24674241834 |
12 | 783024550969 |
13 | 27896201305769 |
14 | 1106485798248706 |
15 | 48517267642373105 |
16 | 2337333266369553253 |
17 | 123040664089658462650 |
18 | 7043260281573138384701 |
19 | 436533086101058798529933 |
[1,1,2,9,61,554,6565,96677,1716730,36072181, 881242577,24674241834,783024550969,27896201305769, 1106485798248706,48517267642373105, 2337333266369553253,123040664089658462650, 7043260281573138384701,436533086101058798529933] |