A383774 - cp's OEIS frontend

A383774 a(n) = neg(M(n)), where M(n) is the n X n left circulant matrix with (row 1) = (1, 2, ... , n), and neg(M(n)) is the negative part of the determinant of M(n); see A380661.

n	a(n)
1	0
2	-4
3	-36
4	-450
5	-15675
6	-772122
7	-47753440
8	-3909436192
9	-410168886615
10	-53329052728000
11	-8417606908865220
12	-1586195621597483136
13	-351735180091505203539
14	-90667510133054591492224
15	-26884188980472806091900000
16	-9086147124746080046118543360

[0, -4, -36, -450, -15675, -772122, -47753440, -3909436192, -410168886615, -53329052728000, -8417606908865220, -1586195621597483136, -351735180091505203539, -90667510133054591492224, -26884188980472806091900000, -9086147124746080046118543360]

cp's OEIS Frontend

A383774 a(n) = neg(M(n)), where M(n) is the n X n left circulant matrix with (row 1) = (1, 2, ... , n), and neg(M(n)) is the negative part of the determinant of M(n); see A380661.

Table of values

List of values