n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 3 |
3 | 12 |
4 | 57 |
5 | 305 |
6 | 1798 |
7 | 11531 |
8 | 79707 |
9 | 589426 |
10 | 4634471 |
11 | 38547861 |
12 | 337734048 |
13 | 3105588629 |
14 | 29877483743 |
15 | 299906019892 |
16 | 3133423928557 |
17 | 34002824654365 |
18 | 382507638525838 |
19 | 4452923233600903 |
20 | 53561431659306039 |
21 | 664728428775177890 |
22 | 8500763141347126563 |
23 | 111886109022440334593 |
24 | 1513989730079050155936 |
[0,1,3,12,57,305,1798,11531,79707,589426,4634471, 38547861,337734048,3105588629,29877483743, 299906019892,3133423928557,34002824654365, 382507638525838,4452923233600903, 53561431659306039,664728428775177890, 8500763141347126563,111886109022440334593, 1513989730079050155936] |