n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 6 |
4 | 12 |
5 | 24 |
6 | 45 |
7 | 85 |
8 | 161 |
9 | 305 |
10 | 576 |
11 | 1087 |
12 | 2053 |
13 | 3877 |
14 | 7321 |
15 | 13824 |
16 | 26102 |
17 | 49285 |
18 | 93059 |
19 | 175712 |
20 | 331776 |
21 | 626451 |
22 | 1182849 |
23 | 2233426 |
24 | 4217100 |
25 | 7962624 |
26 | 15034827 |
27 | 28388386 |
28 | 53602241 |
29 | 101210414 |
30 | 191102976 |
[1,1,3,6,12,24,45,85,161,305,576,1087,2053,3877, 7321,13824,26102,49285,93059,175712,331776,626451, 1182849,2233426,4217100,7962624,15034827,28388386, 53602241,101210414,191102976] |