n | a(n) |
---|---|
1 | 12 |
2 | 18 |
3 | 78 |
4 | 190 |
5 | 670 |
6 | 1954 |
7 | 6224 |
8 | 19178 |
9 | 60114 |
10 | 187412 |
11 | 586490 |
12 | 1834516 |
13 | 5744318 |
14 | 17990734 |
15 | 56368598 |
16 | 176652636 |
17 | 553724396 |
18 | 1735923596 |
19 | 5442763224 |
20 | 17066621772 |
21 | 53518824910 |
22 | 167837668944 |
23 | 526369709548 |
24 | 1650846771550 |
25 | 5177663823280 |
[12,18,78,190,670,1954,6224,19178,60114,187412, 586490,1834516,5744318,17990734,56368598, 176652636,553724396,1735923596,5442763224, 17066621772,53518824910,167837668944,526369709548, 1650846771550,5177663823280] |