n | a(n) |
---|---|
0 | 0 |
1 | 7 |
2 | 63 |
3 | 511 |
4 | 4095 |
5 | 32767 |
6 | 262143 |
7 | 2097151 |
8 | 16777215 |
9 | 134217727 |
10 | 1073741823 |
11 | 8589934591 |
12 | 68719476735 |
13 | 549755813887 |
14 | 4398046511103 |
15 | 35184372088831 |
16 | 281474976710655 |
17 | 2251799813685247 |
18 | 18014398509481983 |
[0,7,63,511,4095,32767,262143,2097151,16777215, 134217727,1073741823,8589934591,68719476735, 549755813887,4398046511103,35184372088831, 281474976710655,2251799813685247, 18014398509481983] |