n | a(n) |
---|---|
1 | 5 |
2 | 15 |
3 | 42 |
4 | 113 |
5 | 297 |
6 | 767 |
7 | 1957 |
8 | 4947 |
9 | 12419 |
10 | 31006 |
11 | 77067 |
12 | 190855 |
13 | 471214 |
14 | 1160452 |
15 | 2851731 |
16 | 6995305 |
17 | 17133294 |
18 | 41909286 |
19 | 102399361 |
20 | 249960246 |
21 | 609662706 |
22 | 1485944622 |
23 | 3619527395 |
24 | 8811972483 |
25 | 21443566290 |
26 | 52161461882 |
27 | 126839318918 |
[5,15,42,113,297,767,1957,4947,12419,31006,77067, 190855,471214,1160452,2851731,6995305,17133294, 41909286,102399361,249960246,609662706,1485944622, 3619527395,8811972483,21443566290,52161461882, 126839318918] |