n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 5 |
3 | 18 |
4 | 65 |
5 | 262 |
6 | 1093 |
7 | 4731 |
8 | 20979 |
9 | 94930 |
10 | 436451 |
11 | 2033321 |
12 | 9577653 |
13 | 45538184 |
14 | 218263593 |
15 | 1053456780 |
16 | 5115724797 |
17 | 24977183908 |
18 | 122537039845 |
19 | 603755499411 |
20 | 2986339566083 |
21 | 14823218200440 |
22 | 73813096856015 |
23 | 368631268757920 |
[1,3,5,18,65,262,1093,4731,20979,94930,436451, 2033321,9577653,45538184,218263593,1053456780, 5115724797,24977183908,122537039845,603755499411, 2986339566083,14823218200440,73813096856015, 368631268757920] |