n | a(n) |
---|---|
0 | 0 |
1 | 2 |
2 | 2 |
3 | 5 |
4 | 8 |
5 | 16 |
6 | 28 |
7 | 53 |
8 | 98 |
9 | 183 |
10 | 341 |
11 | 637 |
12 | 1188 |
13 | 2218 |
14 | 4140 |
15 | 7728 |
16 | 14426 |
17 | 26930 |
18 | 50271 |
19 | 93844 |
20 | 175184 |
21 | 327026 |
22 | 610479 |
23 | 1139618 |
24 | 2127393 |
25 | 3971333 |
26 | 7413527 |
27 | 13839278 |
28 | 25834616 |
29 | 48227038 |
30 | 90028324 |
[0,2,2,5,8,16,28,53,98,183,341,637,1188,2218,4140, 7728,14426,26930,50271,93844,175184,327026,610479, 1139618,2127393,3971333,7413527,13839278,25834616, 48227038,90028324] |