n | a(n) |
---|---|
1 | 3 |
2 | 9 |
3 | 36 |
4 | 192 |
5 | 1089 |
6 | 6642 |
7 | 42129 |
8 | 275571 |
9 | 1844028 |
10 | 12567762 |
11 | 86924745 |
12 | 608612814 |
13 | 4305284400 |
14 | 30723593751 |
15 | 220917003516 |
16 | 1599013642359 |
17 | 11641144003245 |
18 | 85186969539435 |
19 | 626245146267393 |
20 | 4622806865390823 |
21 | 34251800667936939 |
22 | 254640579219212457 |
[3,9,36,192,1089,6642,42129,275571,1844028, 12567762,86924745,608612814,4305284400, 30723593751,220917003516,1599013642359, 11641144003245,85186969539435,626245146267393, 4622806865390823,34251800667936939, 254640579219212457] |