n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 1 |
3 | 1 |
4 | 1 |
5 | 3 |
6 | 6 |
7 | 13 |
8 | 26 |
9 | 47 |
10 | 81 |
11 | 140 |
12 | 253 |
13 | 482 |
14 | 949 |
15 | 1875 |
16 | 3666 |
17 | 7088 |
18 | 13614 |
19 | 26100 |
20 | 50082 |
21 | 96246 |
22 | 185131 |
23 | 356123 |
24 | 684758 |
25 | 1316197 |
26 | 2530257 |
27 | 4868019 |
28 | 9378335 |
29 | 18096921 |
30 | 34974646 |
31 | 67669905 |
32 | 130998912 |
33 | 253565649 |
34 | 490501587 |
35 | 947992195 |
36 | 1830664188 |
37 | 3533571444 |
[1,0,1,1,1,3,6,13,26,47,81,140,253,482,949,1875, 3666,7088,13614,26100,50082,96246,185131,356123, 684758,1316197,2530257,4868019,9378335,18096921, 34974646,67669905,130998912,253565649,490501587, 947992195,1830664188,3533571444] |