n | a(n) |
---|---|
1 | 16 |
2 | 40 |
3 | 100 |
4 | 260 |
5 | 676 |
6 | 1716 |
7 | 4356 |
8 | 11220 |
9 | 28900 |
10 | 73780 |
11 | 188356 |
12 | 483476 |
13 | 1240996 |
14 | 3174900 |
15 | 8122500 |
16 | 20822100 |
17 | 53377636 |
18 | 136666036 |
19 | 349914436 |
20 | 896578580 |
21 | 2297284900 |
22 | 5883599220 |
23 | 15068544516 |
24 | 38602941396 |
25 | 98893896676 |
26 | 253305662260 |
[16,40,100,260,676,1716,4356,11220,28900,73780, 188356,483476,1240996,3174900,8122500,20822100, 53377636,136666036,349914436,896578580,2297284900, 5883599220,15068544516,38602941396,98893896676, 253305662260] |