n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 3 |
3 | 6 |
4 | 12 |
5 | 27 |
6 | 63 |
7 | 141 |
8 | 297 |
9 | 594 |
10 | 1146 |
11 | 2169 |
12 | 4095 |
13 | 7827 |
14 | 15291 |
15 | 30582 |
16 | 62256 |
17 | 127791 |
18 | 262143 |
19 | 534129 |
20 | 1078101 |
21 | 2156202 |
22 | 4282878 |
23 | 8477181 |
24 | 16777215 |
25 | 33288711 |
26 | 66311703 |
27 | 132623406 |
28 | 266043972 |
29 | 534479427 |
30 | 1073741823 |
31 | 2154658101 |
[0,1,3,6,12,27,63,141,297,594,1146,2169,4095,7827, 15291,30582,62256,127791,262143,534129,1078101, 2156202,4282878,8477181,16777215,33288711, 66311703,132623406,266043972,534479427,1073741823, 2154658101] |