n | a(n) |
---|---|
1 | 2 |
2 | 14 |
3 | 132 |
4 | 484 |
5 | 1734 |
6 | 4386 |
7 | 10376 |
8 | 20840 |
9 | 39690 |
10 | 68950 |
11 | 115212 |
12 | 181644 |
13 | 278222 |
14 | 409514 |
15 | 589584 |
16 | 824656 |
17 | 1133586 |
18 | 1524510 |
19 | 2021780 |
20 | 2635700 |
21 | 3396822 |
22 | 4317874 |
23 | 5436312 |
24 | 6767544 |
25 | 8356634 |
26 | 10221926 |
27 | 12416796 |
28 | 14962780 |
29 | 17922270 |
30 | 21320250 |
[2,14,132,484,1734,4386,10376,20840,39690,68950, 115212,181644,278222,409514,589584,824656,1133586, 1524510,2021780,2635700,3396822,4317874,5436312, 6767544,8356634,10221926,12416796,14962780, 17922270,21320250] |