n | a(n) |
---|---|
1 | 5 |
2 | 13 |
3 | 39 |
4 | 115 |
5 | 337 |
6 | 993 |
7 | 2919 |
8 | 8587 |
9 | 25257 |
10 | 74289 |
11 | 218511 |
12 | 642715 |
13 | 1890449 |
14 | 5560465 |
15 | 16355255 |
16 | 48106475 |
17 | 141497817 |
18 | 416194129 |
19 | 1224171199 |
20 | 3600711835 |
21 | 10590941633 |
22 | 31151630513 |
23 | 91627743527 |
24 | 269508954923 |
25 | 792719257161 |
26 | 2331662118065 |
[5,13,39,115,337,993,2919,8587,25257,74289,218511, 642715,1890449,5560465,16355255,48106475, 141497817,416194129,1224171199,3600711835, 10590941633,31151630513,91627743527,269508954923, 792719257161,2331662118065] |