n | a(n) |
---|---|
1 | 3 |
2 | 8 |
3 | 12 |
4 | 28 |
5 | 58 |
6 | 142 |
7 | 350 |
8 | 906 |
9 | 2320 |
10 | 6056 |
11 | 15778 |
12 | 41024 |
13 | 107132 |
14 | 280184 |
15 | 732998 |
16 | 1918354 |
17 | 5019810 |
18 | 13141378 |
19 | 34398686 |
20 | 90045424 |
21 | 235729374 |
22 | 617126438 |
23 | 1615633560 |
24 | 4229774958 |
25 | 11073514332 |
26 | 28990794770 |
27 | 75898640094 |
28 | 198704554772 |
[3,8,12,28,58,142,350,906,2320,6056,15778,41024, 107132,280184,732998,1918354,5019810,13141378, 34398686,90045424,235729374,617126438,1615633560, 4229774958,11073514332,28990794770,75898640094, 198704554772] |