A362679 - cp's OEIS frontend

A362679 a(n) is the permanent of the n X n symmetric matrix M(n) defined by M[i, j, n] = min(i, j)(n + 1) - ij.

n	a(n)
0	1
1	1
2	5
3	72
4	2309
5	140400
6	14495641
7	2347782144
8	562385930985
9	190398813728000
10	87889475202276461
11	53726132414026874880
12	42454821207656237294381
13	42495322215073539046387712
14	52954624815227996007075890625
15	80932107560443542398970529579008
16	149736953621087625813286348913927569

[1, 1, 5, 72, 2309, 140400, 14495641, 2347782144, 562385930985, 190398813728000, 87889475202276461, 53726132414026874880, 42454821207656237294381, 42495322215073539046387712, 52954624815227996007075890625, 80932107560443542398970529579008, 149736953621087625813286348913927569]

cp's OEIS Frontend

A362679 a(n) is the permanent of the n X n symmetric matrix M(n) defined by M[i, j, n] = min(i, j)(n + 1) - ij.

Table of values

List of values

cp's OEIS Frontend

A362679 a(n) is the permanent of the n X n symmetric matrix M(n) defined by M[i, j, n] = min(i, j)*(n + 1) - i*j.

Table of values

List of values

A362679 a(n) is the permanent of the n X n symmetric matrix M(n) defined by M[i, j, n] = min(i, j)(n + 1) - ij.