n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 3 |
4 | 6 |
5 | 10 |
6 | 24 |
7 | 49 |
8 | 130 |
9 | 336 |
10 | 980 |
11 | 2904 |
12 | 9176 |
13 | 29432 |
14 | 97356 |
15 | 326399 |
16 | 1111770 |
17 | 3825238 |
18 | 13293456 |
19 | 46553116 |
20 | 164200028 |
21 | 582706692 |
22 | 2079517924 |
23 | 7458493728 |
24 | 26874412064 |
25 | 97241528200 |
26 | 353223728624 |
27 | 1287668381250 |
28 | 4709805627484 |
[1,2,3,6,10,24,49,130,336,980,2904,9176,29432, 97356,326399,1111770,3825238,13293456,46553116, 164200028,582706692,2079517924,7458493728, 26874412064,97241528200,353223728624, 1287668381250,4709805627484] |