n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 1 |
4 | 3 |
5 | 127 |
6 | 1023 |
7 | 2047 |
8 | 4194303 |
9 | 2251799813685247 |
10 | 302231454903657293676543 |
11 | 39614081257132168796771975167 |
12 | 20769187434139310514121985316880383 |
[0,0,1,3,127,1023,2047,4194303,2251799813685247, 302231454903657293676543, 39614081257132168796771975167, 20769187434139310514121985316880383] |