n | a(n) |
---|---|
1 | 1 |
2 | 5 |
3 | 13 |
4 | 49 |
5 | 131 |
6 | 545 |
7 | 1723 |
8 | 6809 |
9 | 24484 |
10 | 94445 |
11 | 352727 |
12 | 1366273 |
13 | 5200313 |
14 | 20135939 |
15 | 77571083 |
16 | 301034537 |
17 | 1166803127 |
18 | 4540794476 |
19 | 17672631919 |
20 | 68943346009 |
21 | 269129827042 |
22 | 1052178506615 |
23 | 4116715363823 |
24 | 16124644677569 |
25 | 63205303337656 |
26 | 247964681424725 |
27 | 973469783435197 |
[1,5,13,49,131,545,1723,6809,24484,94445,352727, 1366273,5200313,20135939,77571083,301034537, 1166803127,4540794476,17672631919,68943346009, 269129827042,1052178506615,4116715363823, 16124644677569,63205303337656,247964681424725, 973469783435197] |