n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 12 |
3 | 36 |
4 | 144 |
5 | 432 |
6 | 1728 |
7 | 5184 |
8 | 20736 |
9 | 62208 |
10 | 248832 |
11 | 746496 |
12 | 2985984 |
13 | 8957952 |
14 | 35831808 |
15 | 107495424 |
16 | 429981696 |
17 | 1289945088 |
18 | 5159780352 |
19 | 15479341056 |
20 | 61917364224 |
21 | 185752092672 |
22 | 743008370688 |
23 | 2229025112064 |
24 | 8916100448256 |
25 | 26748301344768 |
26 | 106993205379072 |
27 | 320979616137216 |
[1,3,12,36,144,432,1728,5184,20736,62208,248832, 746496,2985984,8957952,35831808,107495424, 429981696,1289945088,5159780352,15479341056, 61917364224,185752092672,743008370688, 2229025112064,8916100448256,26748301344768, 106993205379072,320979616137216] |