n | a(n) |
---|---|
0 | 4 |
1 | 6 |
2 | 9 |
3 | 15 |
4 | 26 |
5 | 48 |
6 | 88 |
7 | 168 |
8 | 323 |
9 | 627 |
10 | 1225 |
11 | 2406 |
12 | 4736 |
13 | 9351 |
14 | 18504 |
15 | 36655 |
16 | 72730 |
17 | 144450 |
18 | 287147 |
19 | 571208 |
20 | 1136971 |
21 | 2264215 |
22 | 4510963 |
23 | 8990492 |
24 | 17923944 |
25 | 35743996 |
26 | 71298762 |
27 | 142249762 |
28 | 283859985 |
29 | 566537515 |
30 | 1130886504 |
31 | 2257704401 |
32 | 4507834166 |
33 | 9001524190 |
[4,6,9,15,26,48,88,168,323,627,1225,2406,4736, 9351,18504,36655,72730,144450,287147,571208, 1136971,2264215,4510963,8990492,17923944,35743996, 71298762,142249762,283859985,566537515,1130886504, 2257704401,4507834166,9001524190] |