n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 27 |
3 | 165 |
4 | 712 |
5 | 2535 |
6 | 8151 |
7 | 23527 |
8 | 60600 |
9 | 140517 |
10 | 297595 |
11 | 584001 |
12 | 1075152 |
13 | 1875835 |
14 | 3127047 |
15 | 5013555 |
16 | 7772176 |
17 | 11700777 |
18 | 17167995 |
19 | 24623677 |
20 | 34610040 |
21 | 47773551 |
22 | 64877527 |
23 | 86815455 |
24 | 114625032 |
25 | 149502925 |
26 | 192820251 |
27 | 246138777 |
28 | 311227840 |
29 | 390081987 |
30 | 484939335 |
[0,1,27,165,712,2535,8151,23527,60600,140517, 297595,584001,1075152,1875835,3127047,5013555, 7772176,11700777,17167995,24623677,34610040, 47773551,64877527,86815455,114625032,149502925, 192820251,246138777,311227840,390081987,484939335] |