n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 1 |
6 | 1 |
7 | 2 |
8 | 4 |
9 | 7 |
10 | 13 |
11 | 20 |
12 | 34 |
13 | 56 |
14 | 93 |
15 | 150 |
16 | 244 |
17 | 396 |
18 | 643 |
19 | 1043 |
20 | 1689 |
21 | 2733 |
22 | 4425 |
23 | 7161 |
24 | 11587 |
25 | 18754 |
26 | 30344 |
27 | 49100 |
28 | 79449 |
29 | 128552 |
30 | 208007 |
31 | 336563 |
32 | 544573 |
33 | 881140 |
34 | 1425715 |
35 | 2306860 |
36 | 3732583 |
37 | 6039449 |
38 | 9772038 |
39 | 15811490 |
40 | 25583533 |
41 | 41395029 |
[0,0,0,0,1,1,2,4,7,13,20,34,56,93,150,244,396,643, 1043,1689,2733,4425,7161,11587,18754,30344,49100, 79449,128552,208007,336563,544573,881140,1425715, 2306860,3732583,6039449,9772038,15811490,25583533, 41395029] |