n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 1 |
3 | 2 |
4 | 4 |
5 | 6 |
6 | 12 |
7 | 18 |
8 | 34 |
9 | 58 |
10 | 106 |
11 | 186 |
12 | 350 |
13 | 630 |
14 | 1180 |
15 | 2190 |
16 | 4114 |
17 | 7710 |
18 | 14600 |
19 | 27594 |
20 | 52486 |
21 | 99878 |
22 | 190744 |
23 | 364722 |
24 | 699250 |
25 | 1342182 |
26 | 2581426 |
27 | 4971066 |
28 | 9587578 |
29 | 18512790 |
30 | 35792566 |
31 | 69273666 |
32 | 134219794 |
33 | 260301174 |
34 | 505294126 |
35 | 981706830 |
36 | 1908881898 |
[0,0,1,2,4,6,12,18,34,58,106,186,350,630,1180, 2190,4114,7710,14600,27594,52486,99878,190744, 364722,699250,1342182,2581426,4971066,9587578, 18512790,35792566,69273666,134219794,260301174, 505294126,981706830,1908881898] |