n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 6 |
4 | 19 |
5 | 48 |
6 | 163 |
7 | 458 |
8 | 1605 |
9 | 4837 |
10 | 17348 |
11 | 54662 |
12 | 199115 |
13 | 648801 |
14 | 2391554 |
15 | 7986126 |
16 | 29705879 |
17 | 101170951 |
18 | 379067774 |
19 | 1311200087 |
20 | 4941974339 |
21 | 17317592643 |
22 | 65592787213 |
23 | 232321727590 |
24 | 883623114005 |
25 | 3158597045417 |
26 | 12056381659368 |
27 | 43435180563827 |
28 | 166305377501064 |
29 | 603267534346636 |
30 | 2316036020003194 |
[1,1,3,6,19,48,163,458,1605,4837,17348,54662, 199115,648801,2391554,7986126,29705879,101170951, 379067774,1311200087,4941974339,17317592643, 65592787213,232321727590,883623114005, 3158597045417,12056381659368,43435180563827, 166305377501064,603267534346636,2316036020003194] |