n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 4 |
3 | 8 |
4 | 16 |
5 | 37 |
6 | 87 |
7 | 210 |
8 | 523 |
9 | 1352 |
10 | 3579 |
11 | 9715 |
12 | 26956 |
13 | 76367 |
14 | 220408 |
15 | 648044 |
16 | 1940191 |
17 | 5907256 |
18 | 18279257 |
19 | 57449874 |
20 | 183261022 |
21 | 592970009 |
22 | 1945136089 |
23 | 6465415945 |
24 | 21764630304 |
25 | 74168652771 |
26 | 255759582378 |
27 | 892121078978 |
[1,2,4,8,16,37,87,210,523,1352,3579,9715,26956, 76367,220408,648044,1940191,5907256,18279257, 57449874,183261022,592970009,1945136089, 6465415945,21764630304,74168652771,255759582378, 892121078978] |