Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 0 |
3 | 1 |
4 | 2 |
5 | 2 |
6 | 4 |
7 | 8 |
8 | 12 |
9 | 21 |
10 | 40 |
11 | 69 |
12 | 122 |
13 | 227 |
14 | 412 |
15 | 747 |
16 | 1386 |
17 | 2567 |
18 | 4744 |
19 | 8851 |
20 | 16566 |
21 | 31004 |
22 | 58268 |
23 | 109858 |
24 | 207368 |
25 | 392331 |
26 | 744072 |
27 | 1413291 |
28 | 2688822 |
29 | 5124738 |
30 | 9781492 |
31 | 18694896 |
32 | 35780444 |
33 | 68566567 |
34 | 131546440 |
35 | 252661515 |
36 | 485806614 |
37 | 935017790 |
38 | 1801327884 |
39 | 3473467328 |
40 | 6703610548 |
[1,1,0,1,2,2,4,8,12,21,40,69,122,227,412,747,1386, 2567,4744,8851,16566,31004,58268,109858,207368, 392331,744072,1413291,2688822,5124738,9781492, 18694896,35780444,68566567,131546440,252661515, 485806614,935017790,1801327884,3473467328, 6703610548] |