A307783 - cp's OEIS frontend

A307783 The permanent of an n X n symmetric Toeplitz matrix M(n) whose first row consists of n, n-1, ..., 1.

n	a(n)
1	1
2	5
3	62
4	1472
5	57228
6	3300052
7	264163120
8	28004426240
9	3796084024832
10	640290996560896
11	131495036625989504
12	32300689159458652160
13	9350873610168606862080
14	3150550820854335942423808
15	1222211647879605626853439488
16	540858935979668390014623285248
17	270804098518125729769134021574656

[1, 5, 62, 1472, 57228, 3300052, 264163120, 28004426240, 3796084024832, 640290996560896, 131495036625989504, 32300689159458652160, 9350873610168606862080, 3150550820854335942423808, 1222211647879605626853439488, 540858935979668390014623285248, 270804098518125729769134021574656]

cp's OEIS Frontend

A307783 The permanent of an n X n symmetric Toeplitz matrix M(n) whose first row consists of n, n-1, ..., 1.

Table of values

List of values