n | a(n) |
---|---|
0 | 1 |
1 | 13 |
2 | 90 |
3 | 442 |
4 | 1728 |
5 | 5720 |
6 | 16653 |
7 | 43745 |
8 | 105586 |
9 | 237354 |
10 | 502113 |
11 | 1007773 |
12 | 1931631 |
13 | 3554746 |
14 | 6308706 |
15 | 10837593 |
16 | 18078112 |
17 | 29360890 |
18 | 46535840 |
19 | 72124195 |
20 | 109499325 |
21 | 163097740 |
22 | 238660747 |
23 | 343506072 |
24 | 486827392 |
25 | 680018170 |
26 | 937014482 |
27 | 1274649714 |
[1,13,90,442,1728,5720,16653,43745,105586,237354, 502113,1007773,1931631,3554746,6308706,10837593, 18078112,29360890,46535840,72124195,109499325, 163097740,238660747,343506072,486827392,680018170, 937014482,1274649714] |