n | a(n) |
---|---|
1 | 42 |
2 | 156 |
3 | 522 |
4 | 1604 |
5 | 4866 |
6 | 14776 |
7 | 45046 |
8 | 136248 |
9 | 408744 |
10 | 1235360 |
11 | 3719846 |
12 | 11182556 |
13 | 33561550 |
14 | 100772348 |
15 | 302469454 |
16 | 907514652 |
17 | 2722696390 |
18 | 8168583528 |
19 | 24507705554 |
20 | 73526125728 |
21 | 220578377184 |
22 | 661760369600 |
23 | 1985318969554 |
[42,156,522,1604,4866,14776,45046,136248,408744, 1235360,3719846,11182556,33561550,100772348, 302469454,907514652,2722696390,8168583528, 24507705554,73526125728,220578377184,661760369600, 1985318969554] |