n | a(n) |
---|---|
0 | 1 |
1 | 5 |
2 | 18 |
3 | 58 |
4 | 179 |
5 | 543 |
6 | 1636 |
7 | 4916 |
8 | 14757 |
9 | 44281 |
10 | 132854 |
11 | 398574 |
12 | 1195735 |
13 | 3587219 |
14 | 10761672 |
15 | 32285032 |
16 | 96855113 |
17 | 290565357 |
18 | 871696090 |
19 | 2615088290 |
20 | 7845264891 |
21 | 23535794695 |
22 | 70607384108 |
23 | 211822152348 |
24 | 635466457069 |
[1,5,18,58,179,543,1636,4916,14757,44281,132854, 398574,1195735,3587219,10761672,32285032,96855113, 290565357,871696090,2615088290,7845264891, 23535794695,70607384108,211822152348,635466457069] |