n | a(n) |
---|---|
1 | 2 |
2 | 10 |
3 | 41 |
4 | 150 |
5 | 665 |
6 | 2695 |
7 | 11424 |
8 | 47528 |
9 | 199485 |
10 | 834267 |
11 | 3494391 |
12 | 14627589 |
13 | 61246810 |
14 | 256420026 |
15 | 1073586408 |
16 | 4494857066 |
17 | 18819026026 |
18 | 78791164317 |
19 | 329881701180 |
20 | 1381143529911 |
21 | 5782550639425 |
22 | 24210293846101 |
23 | 101363286240212 |
[2,10,41,150,665,2695,11424,47528,199485,834267, 3494391,14627589,61246810,256420026,1073586408, 4494857066,18819026026,78791164317,329881701180, 1381143529911,5782550639425,24210293846101, 101363286240212] |