n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 1 |
3 | 27 |
4 | 486 |
5 | 7290 |
6 | 98415 |
7 | 1240029 |
8 | 14880348 |
9 | 172186884 |
10 | 1937102445 |
11 | 21308126895 |
12 | 230127770466 |
13 | 2447722649502 |
14 | 25701087819771 |
15 | 266895911974545 |
16 | 2745215094595320 |
17 | 28001193964872264 |
18 | 283512088894331673 |
[0,0,1,27,486,7290,98415,1240029,14880348, 172186884,1937102445,21308126895,230127770466, 2447722649502,25701087819771,266895911974545, 2745215094595320,28001193964872264, 283512088894331673] |