n | a(n) |
---|---|
1 | 3 |
2 | 4 |
3 | 7 |
4 | 12 |
5 | 24 |
6 | 48 |
7 | 103 |
8 | 222 |
9 | 493 |
10 | 1100 |
11 | 2486 |
12 | 5638 |
13 | 12859 |
14 | 29392 |
15 | 67355 |
16 | 154540 |
17 | 355004 |
18 | 816036 |
19 | 1876863 |
20 | 4318202 |
21 | 9937841 |
22 | 22874732 |
23 | 52659594 |
24 | 121237418 |
25 | 279141171 |
26 | 642732028 |
27 | 1479959119 |
28 | 3407837388 |
29 | 7847200512 |
30 | 18069880632 |
[3,4,7,12,24,48,103,222,493,1100,2486,5638,12859, 29392,67355,154540,355004,816036,1876863,4318202, 9937841,22874732,52659594,121237418,279141171, 642732028,1479959119,3407837388,7847200512, 18069880632] |