A177066 - cp's OEIS frontend

A177066 Determinant of the symmetric n X n matrix M defined by M(i,j) = gcd(2i-1,2j-1) for 1 <= i,j <= n.

n	a(n)
1	1
2	2
3	8
4	48
5	288
6	2880
7	34560
8	276480
9	4423680
10	79626240
11	955514880
12	21021327360
13	420426547200
14	7567677849600
15	211894979788800
16	6356849393664000
17	127136987873280000
18	3051287708958720000
19	109846357522513920000

[1, 2, 8, 48, 288, 2880, 34560, 276480, 4423680, 79626240, 955514880, 21021327360, 420426547200, 7567677849600, 211894979788800, 6356849393664000, 127136987873280000, 3051287708958720000, 109846357522513920000]

cp's OEIS Frontend

A177066 Determinant of the symmetric n X n matrix M defined by M(i,j) = gcd(2i-1,2j-1) for 1 <= i,j <= n.

Table of values

List of values