A384080 - cp's OEIS frontend

A384080 a(n) = neg(M(n)), where M(n) is the n X n circulant matrix with (row 1) = (F(0), F(1), ..., F(n-1)), 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	0
2	-1
3	0
4	-25
5	-295
6	-43264
7	-5469632
8	-3628008315
9	-3569061677472
10	-13761972434293885
11	-98350155131379362607
12	-2395228216526569309464064
13	-121960521137098218596500559704
14	-19460957348767631231695727354978359
15	-6994735829985160817748505807288716492800

[0, -1, 0, -25, -295, -43264, -5469632, -3628008315, -3569061677472, -13761972434293885, -98350155131379362607, -2395228216526569309464064, -121960521137098218596500559704, -19460957348767631231695727354978359, -6994735829985160817748505807288716492800]

cp's OEIS Frontend

A384080 a(n) = neg(M(n)), where M(n) is the n X n circulant matrix with (row 1) = (F(0), F(1), ..., F(n-1)), 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