n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 1 |
4 | 2 |
5 | 7 |
6 | 17 |
7 | 40 |
8 | 87 |
9 | 196 |
10 | 413 |
11 | 875 |
12 | 1812 |
13 | 3741 |
14 | 7640 |
15 | 15567 |
16 | 31493 |
17 | 63666 |
18 | 128284 |
19 | 257977 |
20 | 518045 |
21 | 1039478 |
22 | 2083719 |
23 | 4174586 |
24 | 8359837 |
25 | 16735079 |
26 | 33493780 |
27 | 67020261 |
28 | 134090173 |
29 | 268250256 |
30 | 536609131 |
31 | 1073358893 |
32 | 2146942626 |
33 | 4294183434 |
34 | 8588837984 |
35 | 17178273355 |
[0,0,0,1,2,7,17,40,87,196,413,875,1812,3741,7640, 15567,31493,63666,128284,257977,518045,1039478, 2083719,4174586,8359837,16735079,33493780, 67020261,134090173,268250256,536609131,1073358893, 2146942626,4294183434,8588837984,17178273355] |