n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 6 |
3 | 35 |
4 | 390 |
5 | 7332 |
6 | 216859 |
7 | 9752100 |
8 | 652531454 |
9 | 63912820877 |
10 | 9040966693920 |
11 | 1825887005430112 |
12 | 521181458071204133 |
13 | 208402575114740157174 |
14 | 115825454552169007964634 |
15 | 88852094573138413500449755 |
16 | 93499965506283177978710943850 |
17 | 134231450058844163850300579669696 |
18 | 261626767193693218968916427480786899 |
[1,2,6,35,390,7332,216859,9752100,652531454, 63912820877,9040966693920,1825887005430112, 521181458071204133,208402575114740157174, 115825454552169007964634, 88852094573138413500449755, 93499965506283177978710943850, 134231450058844163850300579669696, 261626767193693218968916427480786899] |