n | a(n) |
---|---|
10 | 1 |
11 | 55 |
12 | 1705 |
13 | 39325 |
14 | 752752 |
15 | 12662650 |
16 | 193754990 |
17 | 2758334150 |
18 | 37112163803 |
19 | 477297033785 |
20 | 5917584964655 |
21 | 71187132291275 |
22 | 835143799377954 |
23 | 9593401297313460 |
24 | 108254081784931500 |
25 | 1203163392175387500 |
26 | 13199555372846848005 |
27 | 143197070509423605675 |
[1,55,1705,39325,752752,12662650,193754990, 2758334150,37112163803,477297033785,5917584964655, 71187132291275,835143799377954,9593401297313460, 108254081784931500,1203163392175387500, 13199555372846848005,143197070509423605675] |