n | a(n) |
---|---|
0 | 1 |
1 | 6 |
2 | 36 |
3 | 146 |
4 | 511 |
5 | 1512 |
6 | 4032 |
7 | 9752 |
8 | 21942 |
9 | 46252 |
10 | 92504 |
11 | 176484 |
12 | 323554 |
13 | 572264 |
14 | 981024 |
15 | 1634776 |
16 | 2656511 |
17 | 4218786 |
18 | 6562556 |
19 | 10016006 |
20 | 15024009 |
21 | 22177584 |
22 | 32258304 |
23 | 46282704 |
24 | 65567164 |
25 | 91792792 |
26 | 127097712 |
27 | 174169352 |
[1,6,36,146,511,1512,4032,9752,21942,46252,92504, 176484,323554,572264,981024,1634776,2656511, 4218786,6562556,10016006,15024009,22177584, 32258304,46282704,65567164,91792792,127097712, 174169352] |