n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 5 |
3 | 13 |
4 | 34 |
5 | 88 |
6 | 225 |
7 | 569 |
8 | 1425 |
9 | 3538 |
10 | 8717 |
11 | 21331 |
12 | 51879 |
13 | 125474 |
14 | 301929 |
15 | 723144 |
16 | 1724532 |
17 | 4096210 |
18 | 9693455 |
19 | 22859524 |
20 | 53733252 |
21 | 125919189 |
22 | 294232580 |
23 | 685661202 |
24 | 1593719407 |
25 | 3695348909 |
26 | 8548564856 |
27 | 19732115915 |
28 | 45450793102 |
29 | 104481137953 |
30 | 239718272765 |
[1,2,5,13,34,88,225,569,1425,3538,8717,21331, 51879,125474,301929,723144,1724532,4096210, 9693455,22859524,53733252,125919189,294232580, 685661202,1593719407,3695348909,8548564856, 19732115915,45450793102,104481137953,239718272765] |