A227968 - cp's OEIS frontend

A227968 Determinant of the (p_n+1)/2 X (p_n+1)/2 matrix with (i,j)-entry (i,j=0,...,(p_n-1)/2) equal to the Legendre symbol((i^2+j^2)/p_n), where p_n is the n-th prime.

n	a(n)
2	-1
3	2
4	-12
5	-80
6	-162
7	3528
8	-9216
9	-11264
10	482230
11	-206684160
12	1488942450
13	976835722500
14	-1420648513536
15	-12993312063488
16	-4001622478404278
17	-738964000238206976
18	73685520670239843750
19	-13192753286712605540352
20	-505689449431040

[-1, 2, -12, -80, -162, 3528, -9216, -11264, 482230, -206684160, 1488942450, 976835722500, -1420648513536, -12993312063488, -4001622478404278, -738964000238206976, 73685520670239843750, -13192753286712605540352, -505689449431040]

cp's OEIS Frontend

A227968 Determinant of the (p_n+1)/2 X (p_n+1)/2 matrix with (i,j)-entry (i,j=0,...,(p_n-1)/2) equal to the Legendre symbol((i^2+j^2)/p_n), where p_n is the n-th prime.

Table of values

List of values