n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 47 |
6 | 91 |
7 | 143 |
8 | 285 |
9 | 539 |
10 | 1051 |
11 | 2071 |
12 | 4179 |
13 | 8219 |
14 | 16427 |
15 | 32791 |
16 | 65581 |
17 | 131087 |
18 | 262183 |
19 | 524327 |
20 | 1048659 |
21 | 2097191 |
22 | 4194361 |
23 | 8388651 |
24 | 16777243 |
25 | 33554447 |
26 | 67108935 |
27 | 134217767 |
28 | 268435539 |
29 | 536870935 |
30 | 1073741907 |
31 | 2147483663 |
[0,0,0,0,47,91,143,285,539,1051,2071,4179,8219, 16427,32791,65581,131087,262183,524327,1048659, 2097191,4194361,8388651,16777243,33554447, 67108935,134217767,268435539,536870935,1073741907, 2147483663] |