n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 5 |
4 | 17 |
5 | 59 |
6 | 216 |
7 | 828 |
8 | 3247 |
9 | 13148 |
10 | 54407 |
11 | 229188 |
12 | 980414 |
13 | 4249191 |
14 | 18618000 |
15 | 82359851 |
16 | 367516576 |
17 | 1652036464 |
18 | 7475296190 |
19 | 34030364687 |
20 | 155733266535 |
21 | 716102735681 |
22 | 3307436360573 |
23 | 15335914559034 |
24 | 71366807185820 |
25 | 333228741232584 |
26 | 1560640415079482 |
27 | 7329647943131243 |
28 | 34514759041244809 |
[1,1,2,5,17,59,216,828,3247,13148,54407,229188, 980414,4249191,18618000,82359851,367516576, 1652036464,7475296190,34030364687,155733266535, 716102735681,3307436360573,15335914559034, 71366807185820,333228741232584,1560640415079482, 7329647943131243,34514759041244809] |