n | a(n) |
---|---|
0 | 1 |
1 | 7 |
2 | 41 |
3 | 215 |
4 | 1065 |
5 | 5079 |
6 | 23593 |
7 | 107479 |
8 | 482345 |
9 | 2139095 |
10 | 9395241 |
11 | 40936407 |
12 | 177167401 |
13 | 762356695 |
14 | 3264175145 |
15 | 13915694039 |
16 | 59098749993 |
17 | 250138895319 |
18 | 1055531162665 |
19 | 4442026976215 |
20 | 18647717207081 |
21 | 78109306037207 |
22 | 326510972984361 |
23 | 1362338887279575 |
[1,7,41,215,1065,5079,23593,107479,482345,2139095, 9395241,40936407,177167401,762356695,3264175145, 13915694039,59098749993,250138895319, 1055531162665,4442026976215,18647717207081, 78109306037207,326510972984361,1362338887279575] |