n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 3 |
4 | 5 |
5 | 8 |
6 | 17 |
7 | 31 |
8 | 68 |
9 | 145 |
10 | 325 |
11 | 728 |
12 | 1685 |
13 | 3891 |
14 | 9140 |
15 | 21565 |
16 | 51311 |
17 | 122666 |
18 | 295037 |
19 | 712477 |
20 | 1728262 |
21 | 4207027 |
22 | 10276693 |
23 | 25178708 |
24 | 61866141 |
25 | 152397945 |
26 | 376309596 |
27 | 931239093 |
28 | 2309219447 |
29 | 5737078442 |
30 | 14278587533 |
31 | 35595622719 |
[1,1,2,3,5,8,17,31,68,145,325,728,1685,3891,9140, 21565,51311,122666,295037,712477,1728262,4207027, 10276693,25178708,61866141,152397945,376309596, 931239093,2309219447,5737078442,14278587533, 35595622719] |