n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 2 |
4 | 3 |
5 | 6 |
6 | 11 |
7 | 18 |
8 | 33 |
9 | 58 |
10 | 105 |
11 | 186 |
12 | 349 |
13 | 630 |
14 | 1179 |
15 | 2190 |
16 | 4113 |
17 | 7710 |
18 | 14599 |
19 | 27594 |
20 | 52485 |
21 | 99878 |
22 | 190743 |
23 | 364722 |
24 | 699249 |
25 | 1342182 |
26 | 2581425 |
27 | 4971066 |
28 | 9587577 |
29 | 18512790 |
30 | 35792565 |
31 | 69273666 |
32 | 134219793 |
33 | 260301174 |
34 | 505294125 |
35 | 981706830 |
36 | 1908881897 |
37 | 3714566310 |
[0,0,2,3,6,11,18,33,58,105,186,349,630,1179,2190, 4113,7710,14599,27594,52485,99878,190743,364722, 699249,1342182,2581425,4971066,9587577,18512790, 35792565,69273666,134219793,260301174,505294125, 981706830,1908881897,3714566310] |