n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 3 |
4 | 18 |
5 | 165 |
6 | 2019 |
7 | 30688 |
8 | 554784 |
9 | 11591649 |
10 | 274313325 |
11 | 7242994143 |
12 | 210931834662 |
13 | 6713206636084 |
14 | 231754182524900 |
15 | 8624280230971980 |
16 | 344124280164153056 |
17 | 14656294893872323449 |
18 | 663624782214112471329 |
19 | 31833832291287920426617 |
20 | 1612762327644980719082470 |
21 | 86050799297228500838101677 |
22 | 4823357354919905244973170883 |
23 | 283375597845431500054861239512 |
[1,1,3,18,165,2019,30688,554784,11591649, 274313325,7242994143,210931834662,6713206636084, 231754182524900,8624280230971980, 344124280164153056,14656294893872323449, 663624782214112471329,31833832291287920426617, 1612762327644980719082470, 86050799297228500838101677, 4823357354919905244973170883, 283375597845431500054861239512] |