n | a(n) |
---|---|
1 | 6 |
2 | 28 |
3 | 140 |
4 | 496 |
5 | 2970 |
6 | 8128 |
7 | 27846 |
8 | 105664 |
9 | 117800 |
10 | 237510 |
11 | 539400 |
12 | 1421280 |
13 | 1539720 |
14 | 2290260 |
15 | 4358600 |
16 | 8872200 |
17 | 33550336 |
18 | 50401728 |
19 | 90409410 |
20 | 233103780 |
21 | 287425800 |
22 | 318177800 |
23 | 423184320 |
24 | 559903400 |
25 | 825120800 |
26 | 1632825792 |
27 | 2705020500 |
28 | 3209343200 |
29 | 3328809120 |
30 | 4720896180 |
[6,28,140,496,2970,8128,27846,105664,117800, 237510,539400,1421280,1539720,2290260,4358600, 8872200,33550336,50401728,90409410,233103780, 287425800,318177800,423184320,559903400,825120800, 1632825792,2705020500,3209343200,3328809120, 4720896180] |