n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 4 |
3 | 8 |
4 | 17 |
5 | 38 |
6 | 84 |
7 | 185 |
8 | 408 |
9 | 900 |
10 | 1985 |
11 | 4378 |
12 | 9656 |
13 | 21297 |
14 | 46972 |
15 | 103600 |
16 | 228497 |
17 | 503966 |
18 | 1111532 |
19 | 2451561 |
20 | 5407088 |
21 | 11925708 |
22 | 26302977 |
23 | 58013042 |
24 | 127951792 |
25 | 282206561 |
26 | 622426164 |
27 | 1372804120 |
28 | 3027814801 |
29 | 6678055766 |
[0,1,4,8,17,38,84,185,408,900,1985,4378,9656, 21297,46972,103600,228497,503966,1111532,2451561, 5407088,11925708,26302977,58013042,127951792, 282206561,622426164,1372804120,3027814801, 6678055766] |