A204265 - cp's OEIS frontend

A204265 Permanent of n X n matrix M with M(i,j) = (i+j) (mod 3).

n	a(n)
1	2
2	2
3	9
4	40
5	144
6	1032
7	7824
8	48816
9	530712
10	5619456
11	50015232
12	707802624
13	9591229440
14	112586112000
15	1938416832000
16	32061464064000
17	469224244224000
18	9509523337728000
19	185772505605120000
20	3261008730405888000

[2, 2, 9, 40, 144, 1032, 7824, 48816, 530712, 5619456, 50015232, 707802624, 9591229440, 112586112000, 1938416832000, 32061464064000, 469224244224000, 9509523337728000, 185772505605120000, 3261008730405888000]

cp's OEIS Frontend

A204265 Permanent of n X n matrix M with M(i,j) = (i+j) (mod 3).

Table of values

List of values