n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 1 |
4 | 1 |
5 | 4 |
6 | 6 |
7 | 13 |
8 | 23 |
9 | 42 |
10 | 68 |
11 | 119 |
12 | 197 |
13 | 324 |
14 | 530 |
15 | 823 |
16 | 1305 |
17 | 2040 |
18 | 3162 |
19 | 4869 |
20 | 7431 |
21 | 11076 |
22 | 16680 |
23 | 24831 |
24 | 36785 |
25 | 54210 |
26 | 79546 |
27 | 115967 |
28 | 167359 |
29 | 241726 |
30 | 347184 |
31 | 496235 |
32 | 707681 |
33 | 1004534 |
34 | 1421178 |
35 | 2003969 |
36 | 2806921 |
37 | 3929770 |
38 | 5479406 |
39 | 7617149 |
40 | 10562169 |
[0,0,0,1,1,4,6,13,23,42,68,119,197,324,530,823, 1305,2040,3162,4869,7431,11076,16680,24831,36785, 54210,79546,115967,167359,241726,347184,496235, 707681,1004534,1421178,2003969,2806921,3929770, 5479406,7617149,10562169] |