A371153 - cp's OEIS frontend

A371153 a(n) is the permanent of the 2n+1 X 2n+1 matrix P(2n+1) defined by P[1,j] = 1, P[i,j] = i-1 if i<=j, and P[i,i] = i-n-1 otherwise with 1 <= i,j <= 2n+1.

n	a(n)
0	1
1	-3
2	185
3	-55307
4	49980969
5	-106782742099
6	462446644072153
7	-3649813053096346875
8	48540310969531346254217
9	-1024268653171975469599364291
10	32694499032613728282606987622521
11	-1518591968826504411972243578217645163
12	99392870823564324693001427592486103515625

[1, -3, 185, -55307, 49980969, -106782742099, 462446644072153, -3649813053096346875, 48540310969531346254217, -1024268653171975469599364291, 32694499032613728282606987622521, -1518591968826504411972243578217645163, 99392870823564324693001427592486103515625]

cp's OEIS Frontend

A371153 a(n) is the permanent of the 2n+1 X 2n+1 matrix P(2n+1) defined by P[1,j] = 1, P[i,j] = i-1 if i<=j, and P[i,i] = i-n-1 otherwise with 1 <= i,j <= 2n+1.

Table of values

List of values