A384593 - cp's OEIS frontend

A384593 a(n) = pos(M(n)), where M(n) is the n X n circulant matrix with (row 1) = (F(1), F(2), ..., F(n)), where F = A000045 (Fibonacci numbers), and neg(M(n)) is the negative part of the determinant of M(n); see A380661.

n	a(n)
1	1
2	1
3	10
4	115
5	7182
6	630400
7	236525784
8	146492200737
9	343945864714624
10	1504008427530969535
11	22752527891269251753118
12	704885020930148344661403136
13	70113811460119152088048405685808
14	15355281759224121782879344275585373609

[1, 1, 10, 115, 7182, 630400, 236525784, 146492200737, 343945864714624, 1504008427530969535, 22752527891269251753118, 704885020930148344661403136, 70113811460119152088048405685808, 15355281759224121782879344275585373609]

cp's OEIS Frontend

A384593 a(n) = pos(M(n)), where M(n) is the n X n circulant matrix with (row 1) = (F(1), F(2), ..., F(n)), where F = A000045 (Fibonacci numbers), and neg(M(n)) is the negative part of the determinant of M(n); see A380661.

Table of values

List of values