n | a(n) |
---|---|
1 | 1 |
2 | 15 |
3 | 81 |
4 | 959 |
5 | 5185 |
6 | 61391 |
7 | 331857 |
8 | 3929023 |
9 | 21238849 |
10 | 251457487 |
11 | 1359286353 |
12 | 16093279167 |
13 | 86994326593 |
14 | 1029969866703 |
15 | 5567636901969 |
16 | 65918071468991 |
17 | 356328761726017 |
18 | 4218756574015439 |
19 | 22805040750465105 |
20 | 270000420736988095 |
21 | 1459522608029766721 |
22 | 17280026927167238095 |
[1,15,81,959,5185,61391,331857,3929023,21238849, 251457487,1359286353,16093279167,86994326593, 1029969866703,5567636901969,65918071468991, 356328761726017,4218756574015439, 22805040750465105,270000420736988095, 1459522608029766721,17280026927167238095] |