n | a(n) |
---|---|
0 | 1 |
1 | 6 |
2 | 9 |
3 | 27 |
4 | 54 |
5 | 135 |
6 | 297 |
7 | 702 |
8 | 1593 |
9 | 3699 |
10 | 8478 |
11 | 19575 |
12 | 45009 |
13 | 103734 |
14 | 238761 |
15 | 549963 |
16 | 1266246 |
17 | 2916135 |
18 | 6714873 |
19 | 15463278 |
20 | 35607897 |
21 | 81997731 |
22 | 188821422 |
23 | 434814615 |
24 | 1001278881 |
25 | 2305722726 |
26 | 5309559369 |
27 | 12226727547 |
28 | 28155405654 |
29 | 64835588295 |
30 | 149301805257 |
31 | 343808570142 |
[1,6,9,27,54,135,297,702,1593,3699,8478,19575, 45009,103734,238761,549963,1266246,2916135, 6714873,15463278,35607897,81997731,188821422, 434814615,1001278881,2305722726,5309559369, 12226727547,28155405654,64835588295,149301805257, 343808570142] |