n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 5 |
3 | 13 |
4 | 31 |
5 | 78 |
6 | 190 |
7 | 469 |
8 | 1150 |
9 | 2825 |
10 | 6933 |
11 | 17015 |
12 | 41754 |
13 | 102454 |
14 | 251393 |
15 | 616826 |
16 | 1513453 |
17 | 3713389 |
18 | 9111087 |
19 | 22354678 |
20 | 54848638 |
21 | 134574493 |
22 | 330186518 |
23 | 810131889 |
24 | 1987705301 |
25 | 4876948743 |
26 | 11965871650 |
27 | 29358946070 |
28 | 72033839657 |
[1,2,5,13,31,78,190,469,1150,2825,6933,17015, 41754,102454,251393,616826,1513453,3713389, 9111087,22354678,54848638,134574493,330186518, 810131889,1987705301,4876948743,11965871650, 29358946070,72033839657] |