n | a(n) |
---|---|
1 | 0 |
2 | 3 |
3 | 6 |
4 | 15 |
5 | 28 |
6 | 61 |
7 | 126 |
8 | 251 |
9 | 504 |
10 | 1017 |
11 | 2042 |
12 | 4095 |
13 | 8180 |
14 | 16373 |
15 | 32758 |
16 | 65523 |
17 | 131056 |
18 | 262129 |
19 | 524274 |
20 | 1048567 |
21 | 2097148 |
22 | 4194285 |
23 | 8388590 |
24 | 16777195 |
25 | 33554408 |
26 | 67108841 |
27 | 134217706 |
28 | 268435439 |
29 | 536870884 |
30 | 1073741797 |
31 | 2147483622 |
[0,3,6,15,28,61,126,251,504,1017,2042,4095,8180, 16373,32758,65523,131056,262129,524274,1048567, 2097148,4194285,8388590,16777195,33554408, 67108841,134217706,268435439,536870884,1073741797, 2147483622] |