n | a(n) |
---|---|
0 | 0 |
1 | 3 |
2 | 11 |
3 | 31 |
4 | 79 |
5 | 191 |
6 | 447 |
7 | 1023 |
8 | 2303 |
9 | 5119 |
10 | 11263 |
11 | 24575 |
12 | 53247 |
13 | 114687 |
14 | 245759 |
15 | 524287 |
16 | 1114111 |
17 | 2359295 |
18 | 4980735 |
19 | 10485759 |
20 | 22020095 |
21 | 46137343 |
22 | 96468991 |
23 | 201326591 |
24 | 419430399 |
25 | 872415231 |
26 | 1811939327 |
27 | 3758096383 |
28 | 7784628223 |
29 | 16106127359 |
30 | 33285996543 |
31 | 68719476735 |
[0,3,11,31,79,191,447,1023,2303,5119,11263,24575, 53247,114687,245759,524287,1114111,2359295, 4980735,10485759,22020095,46137343,96468991, 201326591,419430399,872415231,1811939327, 3758096383,7784628223,16106127359,33285996543, 68719476735] |