n | a(n) |
---|---|
1 | 5 |
2 | 17 |
3 | 42 |
4 | 121 |
5 | 351 |
6 | 978 |
7 | 2768 |
8 | 7851 |
9 | 22168 |
10 | 62688 |
11 | 177333 |
12 | 501398 |
13 | 1417871 |
14 | 4009693 |
15 | 11338691 |
16 | 32064185 |
17 | 90673442 |
18 | 256411571 |
19 | 725096165 |
20 | 2050472356 |
21 | 5798450868 |
22 | 16397214669 |
23 | 46369052496 |
24 | 131125251872 |
25 | 370804035439 |
26 | 1048582421408 |
[5,17,42,121,351,978,2768,7851,22168,62688,177333, 501398,1417871,4009693,11338691,32064185,90673442, 256411571,725096165,2050472356,5798450868, 16397214669,46369052496,131125251872,370804035439, 1048582421408] |