n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 1 |
3 | 2 |
4 | 4 |
5 | 6 |
6 | 12 |
7 | 18 |
8 | 33 |
9 | 52 |
10 | 88 |
11 | 138 |
12 | 229 |
13 | 354 |
14 | 568 |
15 | 880 |
16 | 1378 |
17 | 2110 |
18 | 3260 |
19 | 4942 |
20 | 7527 |
21 | 11320 |
22 | 17031 |
23 | 25394 |
24 | 37842 |
25 | 55956 |
26 | 82630 |
27 | 121300 |
28 | 177677 |
29 | 258980 |
30 | 376626 |
31 | 545352 |
32 | 787784 |
33 | 1133764 |
34 | 1627657 |
35 | 2329020 |
36 | 3324559 |
37 | 4731396 |
38 | 6717774 |
39 | 9512060 |
[1,0,1,2,4,6,12,18,33,52,88,138,229,354,568,880, 1378,2110,3260,4942,7527,11320,17031,25394,37842, 55956,82630,121300,177677,258980,376626,545352, 787784,1133764,1627657,2329020,3324559,4731396, 6717774,9512060] |