n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 7 |
4 | 12 |
5 | 31 |
6 | 74 |
7 | 147 |
8 | 352 |
9 | 747 |
10 | 1634 |
11 | 3489 |
12 | 7636 |
13 | 16019 |
14 | 33246 |
15 | 72185 |
16 | 148168 |
17 | 308633 |
18 | 634758 |
19 | 1314109 |
20 | 2697356 |
21 | 5464861 |
22 | 11109678 |
23 | 22406875 |
24 | 45450728 |
25 | 90618789 |
26 | 181136290 |
27 | 360856875 |
28 | 716697428 |
29 | 1418196027 |
[1,2,7,12,31,74,147,352,747,1634,3489,7636,16019, 33246,72185,148168,308633,634758,1314109,2697356, 5464861,11109678,22406875,45450728,90618789, 181136290,360856875,716697428,1418196027] |