n | a(n) |
---|---|
0 | 1 |
1 | 7 |
2 | 61 |
3 | 505 |
4 | 4081 |
5 | 32737 |
6 | 262081 |
7 | 2097025 |
8 | 16776961 |
9 | 134217217 |
10 | 1073740801 |
11 | 8589932545 |
12 | 68719472641 |
13 | 549755805697 |
14 | 4398046494721 |
15 | 35184372056065 |
16 | 281474976645121 |
17 | 2251799813554177 |
18 | 18014398509219841 |
19 | 144115188075331585 |
[1,7,61,505,4081,32737,262081,2097025,16776961, 134217217,1073740801,8589932545,68719472641, 549755805697,4398046494721,35184372056065, 281474976645121,2251799813554177, 18014398509219841,144115188075331585] |