n | a(n) |
---|---|
1 | 6 |
2 | 11 |
3 | 20 |
4 | 41 |
5 | 86 |
6 | 208 |
7 | 514 |
8 | 1398 |
9 | 3934 |
10 | 11576 |
11 | 34850 |
12 | 107303 |
13 | 334396 |
14 | 1053851 |
15 | 3345320 |
16 | 10685570 |
17 | 34292064 |
18 | 110498897 |
19 | 357256018 |
20 | 1158492478 |
21 | 3766458404 |
22 | 12274037845 |
23 | 40082339406 |
24 | 131144365904 |
25 | 429838330172 |
26 | 1411104048106 |
27 | 4639351259122 |
28 | 15273992343065 |
[6,11,20,41,86,208,514,1398,3934,11576,34850, 107303,334396,1053851,3345320,10685570,34292064, 110498897,357256018,1158492478,3766458404, 12274037845,40082339406,131144365904,429838330172, 1411104048106,4639351259122,15273992343065] |