n | a(n) |
---|---|
1 | 6 |
2 | 81 |
3 | 1875 |
4 | 14406 |
5 | 219615 |
6 | 599781 |
7 | 3006756 |
8 | 5864445 |
9 | 18469506 |
10 | 74264505 |
11 | 110822520 |
12 | 320481531 |
13 | 593409810 |
14 | 789743031 |
15 | 1346791956 |
16 | 2769558831 |
17 | 5271052035 |
18 | 6438316065 |
19 | 11304778881 |
20 | 16009359030 |
21 | 18913228506 |
22 | 30381063180 |
[6,81,1875,14406,219615,599781,3006756,5864445, 18469506,74264505,110822520,320481531,593409810, 789743031,1346791956,2769558831,5271052035, 6438316065,11304778881,16009359030,18913228506, 30381063180] |