n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 1 |
6 | 5 |
7 | 33 |
8 | 245 |
9 | 2053 |
10 | 19137 |
11 | 196705 |
12 | 2212037 |
13 | 27029085 |
14 | 356723177 |
15 | 5058388153 |
16 | 76712450925 |
17 | 1239124984693 |
18 | 21241164552785 |
19 | 385159565775633 |
20 | 7365975246680597 |
21 | 148182892455224845 |
22 | 3128251523599365177 |
23 | 69149857480654157545 |
24 | 1597343462243140957757 |
[0,0,0,0,1,5,33,245,2053,19137,196705,2212037, 27029085,356723177,5058388153,76712450925, 1239124984693,21241164552785,385159565775633, 7365975246680597,148182892455224845, 3128251523599365177,69149857480654157545, 1597343462243140957757] |