n | a(n) |
---|---|
1 | 0 |
2 | 1 |
3 | 4 |
4 | 1 |
5 | 617 |
6 | 112 |
7 | 845 |
8 | 25376 |
9 | 2985 |
10 | 314 |
11 | 1597052 |
12 | 138874 |
13 | 1173486218 |
14 | 63368255819 |
15 | 4370224539 |
16 | 281949970 |
17 | 5377913733006 |
18 | 376453961310474 |
19 | 7345939461247630 |
20 | 572983277977315172 |
21 | 27950403803771471 |
22 | 1300018781570766 |
[0,1,4,1,617,112,845,25376,2985,314,1597052, 138874,1173486218,63368255819,4370224539, 281949970,5377913733006,376453961310474, 7345939461247630,572983277977315172, 27950403803771471,1300018781570766] |