n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 9 |
3 | 22 |
4 | 51 |
5 | 113 |
6 | 244 |
7 | 517 |
8 | 1081 |
9 | 2238 |
10 | 4599 |
11 | 9397 |
12 | 19116 |
13 | 38753 |
14 | 78349 |
15 | 158062 |
16 | 318331 |
17 | 640233 |
18 | 1286244 |
19 | 2581837 |
20 | 5178801 |
21 | 10382078 |
22 | 20803759 |
23 | 41671597 |
24 | 83446876 |
25 | 167061513 |
26 | 334394469 |
27 | 669228142 |
28 | 1339166931 |
29 | 2679483713 |
[1,3,9,22,51,113,244,517,1081,2238,4599,9397, 19116,38753,78349,158062,318331,640233,1286244, 2581837,5178801,10382078,20803759,41671597, 83446876,167061513,334394469,669228142,1339166931, 2679483713] |