n | a(n) |
---|---|
1 | 144 |
2 | 648 |
3 | 2952 |
4 | 13448 |
5 | 61336 |
6 | 279752 |
7 | 1276088 |
8 | 5820872 |
9 | 26552184 |
10 | 121119048 |
11 | 552490872 |
12 | 2520216008 |
13 | 11496098296 |
14 | 52440058952 |
15 | 239208098168 |
16 | 1091160371912 |
17 | 4977385663224 |
18 | 22704607570248 |
19 | 103568266524792 |
20 | 472432117479368 |
[144,648,2952,13448,61336,279752,1276088,5820872, 26552184,121119048,552490872,2520216008, 11496098296,52440058952,239208098168, 1091160371912,4977385663224,22704607570248, 103568266524792,472432117479368] |