n | a(n) |
---|---|
1 | 4 |
2 | 74 |
3 | 1434 |
4 | 27780 |
5 | 538150 |
6 | 10424872 |
7 | 201947094 |
8 | 3912050356 |
9 | 75782907270 |
10 | 1468040672696 |
11 | 28438383992230 |
12 | 550898690444420 |
13 | 10671821831261942 |
14 | 206730898391393192 |
15 | 4004720564629102582 |
16 | 77578083032366404308 |
17 | 1502816206487087179878 |
18 | 29112043791259796460440 |
[4,74,1434,27780,538150,10424872,201947094, 3912050356,75782907270,1468040672696, 28438383992230,550898690444420,10671821831261942, 206730898391393192,4004720564629102582, 77578083032366404308,1502816206487087179878, 29112043791259796460440] |