n | a(n) |
---|---|
1 | 1 |
2 | 258 |
3 | 7076 |
4 | 79430 |
5 | 542409 |
6 | 2685004 |
7 | 10592400 |
8 | 35277012 |
9 | 103008345 |
10 | 270739678 |
11 | 652829892 |
12 | 1464901802 |
13 | 3092704433 |
14 | 6196296120 |
15 | 11862778432 |
16 | 21824228040 |
17 | 38761435089 |
18 | 66718602714 |
19 | 111659333380 |
20 | 182200064046 |
21 | 290563654073 |
22 | 453803117636 |
23 | 695353566480 |
24 | 1046979329500 |
[1,258,7076,79430,542409,2685004,10592400, 35277012,103008345,270739678,652829892,1464901802, 3092704433,6196296120,11862778432,21824228040, 38761435089,66718602714,111659333380,182200064046, 290563654073,453803117636,695353566480, 1046979329500] |