n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 16 |
4 | 389 |
5 | 3112 |
6 | 16231 |
7 | 66177 |
8 | 228438 |
9 | 697219 |
10 | 1932601 |
11 | 4953493 |
12 | 11892484 |
13 | 27003029 |
14 | 58421782 |
15 | 121154728 |
16 | 241995312 |
17 | 467422242 |
18 | 875997590 |
19 | 1597434614 |
20 | 2841382379 |
21 | 4940146414 |
22 | 8411111897 |
23 | 14046656347 |
24 | 23041951126 |
25 | 37174397565 |
26 | 59052693975 |
27 | 92458885395 |
[0,0,0,16,389,3112,16231,66177,228438,697219, 1932601,4953493,11892484,27003029,58421782, 121154728,241995312,467422242,875997590, 1597434614,2841382379,4940146414,8411111897, 14046656347,23041951126,37174397565,59052693975, 92458885395] |