n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 7 |
3 | 17 |
4 | 45 |
5 | 123 |
6 | 337 |
7 | 927 |
8 | 2575 |
9 | 7225 |
10 | 20427 |
11 | 58085 |
12 | 165967 |
13 | 476241 |
14 | 1371615 |
15 | 3962817 |
16 | 11480157 |
17 | 33335691 |
18 | 96998137 |
19 | 282751095 |
20 | 825549445 |
21 | 2413818011 |
22 | 7066833237 |
23 | 20713316043 |
24 | 60775993945 |
25 | 178497281223 |
26 | 524702227369 |
27 | 1543636437591 |
28 | 4544652411561 |
29 | 13389233104135 |
30 | 39471952247297 |
[1,3,7,17,45,123,337,927,2575,7225,20427,58085, 165967,476241,1371615,3962817,11480157,33335691, 96998137,282751095,825549445,2413818011, 7066833237,20713316043,60775993945,178497281223, 524702227369,1543636437591,4544652411561, 13389233104135,39471952247297] |