n | a(n) |
---|---|
1 | 3 |
2 | 6 |
3 | 9 |
4 | 25 |
5 | 58 |
6 | 152 |
7 | 368 |
8 | 904 |
9 | 2211 |
10 | 5420 |
11 | 13257 |
12 | 32485 |
13 | 79687 |
14 | 195459 |
15 | 479166 |
16 | 1174486 |
17 | 2879048 |
18 | 7057869 |
19 | 17302114 |
20 | 42416167 |
21 | 103983959 |
22 | 254916060 |
23 | 624918591 |
24 | 1531968302 |
25 | 3755586548 |
26 | 9206752113 |
27 | 22570177681 |
28 | 55330344496 |
29 | 135641228111 |
[3,6,9,25,58,152,368,904,2211,5420,13257,32485, 79687,195459,479166,1174486,2879048,7057869, 17302114,42416167,103983959,254916060,624918591, 1531968302,3755586548,9206752113,22570177681, 55330344496,135641228111] |