n | a(n) |
---|---|
0 | 1 |
1 | 6 |
2 | 27 |
3 | 98 |
4 | 309 |
5 | 882 |
6 | 2330 |
7 | 5784 |
8 | 13644 |
9 | 30826 |
10 | 67107 |
11 | 141444 |
12 | 289746 |
13 | 578646 |
14 | 1129527 |
15 | 2159774 |
16 | 4052721 |
17 | 7474806 |
18 | 13569463 |
19 | 24274716 |
20 | 42838245 |
21 | 74644794 |
22 | 128533884 |
23 | 218881098 |
24 | 368859591 |
25 | 615513678 |
26 | 1017596115 |
27 | 1667593666 |
28 | 2710062756 |
29 | 4369417452 |
[1,6,27,98,309,882,2330,5784,13644,30826,67107, 141444,289746,578646,1129527,2159774,4052721, 7474806,13569463,24274716,42838245,74644794, 128533884,218881098,368859591,615513678, 1017596115,1667593666,2710062756,4369417452] |