n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 3 |
4 | 7 |
5 | 13 |
6 | 31 |
7 | 65 |
8 | 156 |
9 | 351 |
10 | 849 |
11 | 1993 |
12 | 4866 |
13 | 11733 |
14 | 28921 |
15 | 70997 |
16 | 176560 |
17 | 438979 |
18 | 1100302 |
19 | 2761797 |
20 | 6969909 |
21 | 17625015 |
22 | 44742636 |
23 | 113822415 |
24 | 290416803 |
25 | 742486655 |
26 | 1902767481 |
27 | 4885201701 |
28 | 12567065582 |
29 | 32382099109 |
30 | 83580301371 |
[1,1,2,3,7,13,31,65,156,351,849,1993,4866,11733, 28921,70997,176560,438979,1100302,2761797,6969909, 17625015,44742636,113822415,290416803,742486655, 1902767481,4885201701,12567065582,32382099109, 83580301371] |