n | a(n) |
---|---|
1 | 0 |
2 | 1 |
3 | 3 |
4 | 9 |
5 | 21 |
6 | 51 |
7 | 111 |
8 | 237 |
9 | 489 |
10 | 995 |
11 | 2017 |
12 | 4059 |
13 | 8151 |
14 | 16341 |
15 | 32721 |
16 | 65483 |
17 | 131013 |
18 | 262083 |
19 | 524221 |
20 | 1048505 |
21 | 2097079 |
22 | 4194225 |
23 | 8388525 |
24 | 16777127 |
25 | 33554335 |
26 | 67108763 |
27 | 134217625 |
28 | 268435349 |
29 | 536870803 |
30 | 1073741711 |
31 | 2147483521 |
32 | 4294967165 |
33 | 8589934455 |
34 | 17179869045 |
[0,1,3,9,21,51,111,237,489,995,2017,4059,8151, 16341,32721,65483,131013,262083,524221,1048505, 2097079,4194225,8388525,16777127,33554335, 67108763,134217625,268435349,536870803,1073741711, 2147483521,4294967165,8589934455,17179869045] |