n | a(n) |
---|---|
0 | 1 |
1 | 6 |
2 | 33 |
3 | 162 |
4 | 756 |
5 | 3402 |
6 | 14931 |
7 | 64314 |
8 | 273051 |
9 | 1145988 |
10 | 4764744 |
11 | 19656756 |
12 | 80561061 |
13 | 328316814 |
14 | 1331513397 |
15 | 5377120038 |
16 | 21633427836 |
17 | 86747114430 |
18 | 346810621815 |
19 | 1382826606210 |
20 | 5500378861551 |
21 | 21830478128136 |
22 | 86469557676048 |
[1,6,33,162,756,3402,14931,64314,273051,1145988, 4764744,19656756,80561061,328316814,1331513397, 5377120038,21633427836,86747114430,346810621815, 1382826606210,5500378861551,21830478128136, 86469557676048] |