n | a(n) |
---|---|
0 | 1 |
1 | 27 |
2 | 495 |
3 | 7695 |
4 | 109431 |
5 | 1474767 |
6 | 19198215 |
7 | 244167615 |
8 | 3055792311 |
9 | 37811613807 |
10 | 464078786535 |
11 | 5662363023135 |
12 | 68791291322391 |
13 | 833094971965647 |
14 | 10065613312624455 |
15 | 121404092777808255 |
16 | 1462402531680439671 |
[1,27,495,7695,109431,1474767,19198215,244167615, 3055792311,37811613807,464078786535,5662363023135, 68791291322391,833094971965647,10065613312624455, 121404092777808255,1462402531680439671] |