n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 6 |
3 | 33 |
4 | 357 |
5 | 5283 |
6 | 96534 |
7 | 2067312 |
8 | 50345955 |
9 | 1367512761 |
10 | 40875976152 |
11 | 1331343423234 |
12 | 46892513148468 |
13 | 1775323414999818 |
14 | 71885746640828286 |
15 | 3100014000785085216 |
16 | 141857882269044077865 |
17 | 6866221878372182554395 |
18 | 350521791594556907681202 |
19 | 18824690900373744731703396 |
[1,3,6,33,357,5283,96534,2067312,50345955, 1367512761,40875976152,1331343423234, 46892513148468,1775323414999818,71885746640828286, 3100014000785085216,141857882269044077865, 6866221878372182554395,350521791594556907681202, 18824690900373744731703396] |