A085807 - cp's OEIS frontend

A085807 Permanent of the symmetric n X n matrix A defined by A[i,j] = |i-j| for 1 <= i,j <= n.

n	a(n)
0	1
1	0
2	1
3	4
4	64
5	1152
6	34372
7	1335008
8	69599744
9	4577345152
10	374491314176
11	37154032517376
12	4402467119882240
13	613680867638476800
14	99443966100565999872
15	18534733913629064343552
16	3937496200758879526977536
17	945776134421421651222708224
18	255043190756805184245158084608

[1, 0, 1, 4, 64, 1152, 34372, 1335008, 69599744, 4577345152, 374491314176, 37154032517376, 4402467119882240, 613680867638476800, 99443966100565999872, 18534733913629064343552, 3937496200758879526977536, 945776134421421651222708224, 255043190756805184245158084608]

cp's OEIS Frontend

A085807 Permanent of the symmetric n X n matrix A defined by A[i,j] = |i-j| for 1 <= i,j <= n.

Table of values

List of values