n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 3 |
3 | 6 |
4 | 12 |
5 | 21 |
6 | 39 |
7 | 72 |
8 | 138 |
9 | 269 |
10 | 526 |
11 | 1041 |
12 | 2067 |
13 | 4116 |
14 | 8214 |
15 | 16409 |
16 | 32796 |
17 | 65565 |
18 | 131104 |
19 | 262178 |
20 | 524323 |
21 | 1048614 |
22 | 2097192 |
23 | 4194347 |
24 | 8388655 |
25 | 16777265 |
26 | 33554482 |
27 | 67108916 |
28 | 134217781 |
[0,1,3,6,12,21,39,72,138,269,526,1041,2067,4116, 8214,16409,32796,65565,131104,262178,524323, 1048614,2097192,4194347,8388655,16777265,33554482, 67108916,134217781] |