n | a(n) |
---|---|
0 | 2 |
1 | 1 |
2 | 2 |
3 | 3 |
4 | 4 |
5 | 5 |
6 | 9 |
7 | 14 |
8 | 20 |
9 | 30 |
10 | 50 |
11 | 77 |
12 | 112 |
13 | 182 |
14 | 294 |
15 | 450 |
16 | 672 |
17 | 1122 |
18 | 1782 |
19 | 2717 |
20 | 4290 |
21 | 7007 |
22 | 11011 |
23 | 16744 |
24 | 27456 |
25 | 44200 |
26 | 68952 |
27 | 107406 |
28 | 176358 |
29 | 281010 |
30 | 436050 |
31 | 700910 |
32 | 1136960 |
33 | 1797818 |
34 | 2778446 |
35 | 4576264 |
36 | 7354710 |
37 | 11560835 |
38 | 18349630 |
39 | 29910465 |
40 | 47720400 |
[2,1,2,3,4,5,9,14,20,30,50,77,112,182,294,450,672, 1122,1782,2717,4290,7007,11011,16744,27456,44200, 68952,107406,176358,281010,436050,700910,1136960, 1797818,2778446,4576264,7354710,11560835,18349630, 29910465,47720400] |