n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 1 |
3 | 2 |
4 | 4 |
5 | 7 |
6 | 14 |
7 | 25 |
8 | 45 |
9 | 84 |
10 | 154 |
11 | 290 |
12 | 549 |
13 | 1043 |
14 | 1990 |
15 | 3820 |
16 | 7352 |
17 | 14198 |
18 | 27473 |
19 | 53327 |
20 | 103697 |
21 | 201926 |
22 | 393781 |
23 | 769123 |
24 | 1503776 |
25 | 2943595 |
26 | 5767727 |
27 | 11310982 |
28 | 22200249 |
29 | 43604981 |
30 | 85706123 |
31 | 168562900 |
32 | 331717805 |
33 | 653148282 |
34 | 1286697640 |
[0,0,1,2,4,7,14,25,45,84,154,290,549,1043,1990, 3820,7352,14198,27473,53327,103697,201926,393781, 769123,1503776,2943595,5767727,11310982,22200249, 43604981,85706123,168562900,331717805,653148282, 1286697640] |