n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 2 |
3 | 3 |
4 | 6 |
5 | 9 |
6 | 15 |
7 | 23 |
8 | 40 |
9 | 55 |
10 | 94 |
11 | 132 |
12 | 210 |
13 | 298 |
14 | 476 |
15 | 644 |
16 | 1038 |
17 | 1406 |
18 | 2149 |
19 | 2965 |
20 | 4584 |
21 | 6077 |
22 | 9426 |
23 | 12648 |
24 | 19067 |
25 | 25739 |
26 | 38958 |
27 | 51514 |
28 | 78459 |
29 | 104265 |
30 | 155436 |
31 | 208329 |
32 | 312791 |
33 | 411886 |
34 | 620780 |
35 | 823785 |
36 | 1224414 |
37 | 1631815 |
38 | 2437015 |
39 | 3217077 |
40 | 4822991 |
[0,1,2,3,6,9,15,23,40,55,94,132,210,298,476,644, 1038,1406,2149,2965,4584,6077,9426,12648,19067, 25739,38958,51514,78459,104265,155436,208329, 312791,411886,620780,823785,1224414,1631815, 2437015,3217077,4822991] |