n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 5 |
3 | 11 |
4 | 49 |
5 | 157 |
6 | 705 |
7 | 2447 |
8 | 11257 |
9 | 42215 |
10 | 196039 |
11 | 760457 |
12 | 3578149 |
13 | 14323343 |
14 | 67808827 |
15 | 276672895 |
16 | 1319635789 |
17 | 5479101635 |
18 | 26238372575 |
19 | 110300159347 |
20 | 530694254439 |
21 | 2256204576997 |
22 | 10885696948113 |
23 | 46685442018077 |
24 | 225970476634309 |
25 | 976854488592583 |
26 | 4737916116106503 |
27 | 20615097104712731 |
[1,1,5,11,49,157,705,2447,11257,42215,196039, 760457,3578149,14323343,67808827,276672895, 1319635789,5479101635,26238372575,110300159347, 530694254439,2256204576997,10885696948113, 46685442018077,225970476634309,976854488592583, 4737916116106503,20615097104712731] |