n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 7 |
4 | 18 |
5 | 38 |
6 | 100 |
7 | 224 |
8 | 600 |
9 | 1498 |
10 | 4124 |
11 | 11054 |
12 | 31347 |
13 | 87887 |
14 | 253251 |
15 | 727867 |
16 | 2117551 |
17 | 6159994 |
18 | 18022052 |
19 | 52757222 |
20 | 154874172 |
21 | 454989753 |
22 | 1338737083 |
23 | 3941860229 |
24 | 11618101775 |
25 | 34264747423 |
26 | 101127761931 |
27 | 298632667837 |
28 | 882370316215 |
29 | 2608423280534 |
30 | 7714578529582 |
[1,3,7,18,38,100,224,600,1498,4124,11054,31347, 87887,253251,727867,2117551,6159994,18022052, 52757222,154874172,454989753,1338737083, 3941860229,11618101775,34264747423,101127761931, 298632667837,882370316215,2608423280534, 7714578529582] |