n | a(n) |
---|---|
1 | 1 |
2 | 7 |
3 | 25 |
4 | 79 |
5 | 241 |
6 | 727 |
7 | 2185 |
8 | 6559 |
9 | 19681 |
10 | 59047 |
11 | 177145 |
12 | 531439 |
13 | 1594321 |
14 | 4782967 |
15 | 14348905 |
16 | 43046719 |
17 | 129140161 |
18 | 387420487 |
19 | 1162261465 |
20 | 3486784399 |
21 | 10460353201 |
22 | 31381059607 |
23 | 94143178825 |
24 | 282429536479 |
25 | 847288609441 |
[1,7,25,79,241,727,2185,6559,19681,59047,177145, 531439,1594321,4782967,14348905,43046719, 129140161,387420487,1162261465,3486784399, 10460353201,31381059607,94143178825,282429536479, 847288609441] |