n | a(n) |
---|---|
1 | 1 |
2 | 7 |
3 | 21 |
4 | 55 |
5 | 175 |
6 | 235 |
7 | 2289 |
8 | 12419 |
9 | 19917 |
10 | 19971 |
11 | 21979 |
12 | 54007 |
13 | 66241 |
14 | 68757 |
15 | 98595 |
16 | 241211 |
17 | 274509 |
18 | 322971 |
19 | 342349 |
20 | 470529 |
[1,7,21,55,175,235,2289,12419,19917,19971,21979, 54007,66241,68757,98595,241211,274509,322971, 342349,470529] |