n | a(n) |
---|---|
1 | 6 |
2 | 24 |
3 | 130 |
4 | 566 |
5 | 2134 |
6 | 7259 |
7 | 22715 |
8 | 66250 |
9 | 181791 |
10 | 472662 |
11 | 1171147 |
12 | 2778770 |
13 | 6339690 |
14 | 13957189 |
15 | 29741892 |
16 | 61507243 |
17 | 123727812 |
18 | 242584792 |
19 | 464390356 |
20 | 869376931 |
21 | 1593851835 |
22 | 2865176320 |
23 | 5056094746 |
24 | 8767828033 |
25 | 14955331206 |
[6,24,130,566,2134,7259,22715,66250,181791,472662, 1171147,2778770,6339690,13957189,29741892, 61507243,123727812,242584792,464390356,869376931, 1593851835,2865176320,5056094746,8767828033, 14955331206] |