n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 27 |
3 | 381 |
4 | 6219 |
5 | 111753 |
6 | 2151549 |
7 | 43497891 |
8 | 912018123 |
9 | 19671397617 |
10 | 434005899777 |
11 | 9754118112951 |
12 | 222621127928109 |
13 | 5147503311510927 |
14 | 120355825553777043 |
15 | 2841378806367492381 |
16 | 67648182142185172683 |
17 | 1622612550613755130497 |
18 | 39178199253650491044441 |
[1,3,27,381,6219,111753,2151549,43497891, 912018123,19671397617,434005899777,9754118112951, 222621127928109,5147503311510927, 120355825553777043,2841378806367492381, 67648182142185172683,1622612550613755130497, 39178199253650491044441] |