A227971 - cp's OEIS frontend

A227971 Determinant of the (p_n+1)/2 X (p_n+1)/2 matrix with (i,j)-entry (i,j=0,...,(p_n-1)/2) being the Legendre symbol((i+j)/p_n), where p_n is the n-th prime.

n	a(n)
2	-1
3	2
4	8
5	32
6	96
7	-1024
8	512
9	2048
10	40960
11	32768
12	1572864
13	-33554432
14	2097152
15	8388608
16	234881024
17	536870912
18	20937965568
19	8589934592
20	34359738368
21	-73392401154048
22	549755813888
23	2199023255552
24	-8796093022208000
25	-1577385769486516224
26	11258999068426240

[-1, 2, 8, 32, 96, -1024, 512, 2048, 40960, 32768, 1572864, -33554432, 2097152, 8388608, 234881024, 536870912, 20937965568, 8589934592, 34359738368, -73392401154048, 549755813888, 2199023255552, -8796093022208000, -1577385769486516224, 11258999068426240]

cp's OEIS Frontend

A227971 Determinant of the (p_n+1)/2 X (p_n+1)/2 matrix with (i,j)-entry (i,j=0,...,(p_n-1)/2) being the Legendre symbol((i+j)/p_n), where p_n is the n-th prime.

Table of values

List of values