n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 11 |
4 | 47 |
5 | 193 |
6 | 869 |
7 | 3583 |
8 | 12399 |
9 | 51287 |
10 | 217551 |
11 | 867797 |
12 | 3274727 |
13 | 13099145 |
14 | 55568089 |
15 | 216651145 |
16 | 878354151 |
17 | 3609915051 |
18 | 13596245715 |
19 | 55617915013 |
20 | 220140920491 |
21 | 676614665133 |
22 | 2955537029341 |
23 | 11835711831601 |
24 | 48642769948139 |
[1,1,3,11,47,193,869,3583,12399,51287,217551, 867797,3274727,13099145,55568089,216651145, 878354151,3609915051,13596245715,55617915013, 220140920491,676614665133,2955537029341, 11835711831601,48642769948139] |