The OEIS is supported by the many generous donors to the OEIS Foundation.
A371019 as a simple table
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 0 |
| 3 | 6 |
| 4 | 24 |
| 5 | 60 |
| 6 | 2280 |
| 7 | 35490 |
| 8 | 322896 |
| 9 | 6532344 |
| 10 | 175392720 |
| 11 | 3351681630 |
| 12 | 74021715240 |
| 13 | 2328376978356 |
| 14 | 68824597123464 |
| 15 | 1989994550546730 |
| 16 | 69687384248405280 |
| 17 | 2634948077918611440 |
| 18 | 98220733842576688416 |
| 19 | 3966108617957749165494 |
| 20 | 175679596523004500742840 |
[1,0,0,6,24,60,2280,35490,322896,6532344, 175392720,3351681630,74021715240,2328376978356, 68824597123464,1989994550546730,69687384248405280, 2634948077918611440,98220733842576688416, 3966108617957749165494,175679596523004500742840] |