A085905 - cp's OEIS frontend

A085905 Permanent of the symmetric n X n matrix M defined by M(i,j) = lcm(i,j) for 1 <= i,j <= n.

n	a(n)
1	1
2	6
3	144
4	5952
5	772560
6	73664640
7	29745273600
8	8715934402560
9	5068085799813120
10	2756328707949465600
11	4581860819083475558400
12	2696083278990328597708800
13	7844679216026128507826995200

[1, 6, 144, 5952, 772560, 73664640, 29745273600, 8715934402560, 5068085799813120, 2756328707949465600, 4581860819083475558400, 2696083278990328597708800, 7844679216026128507826995200]

cp's OEIS Frontend

A085905 Permanent of the symmetric n X n matrix M defined by M(i,j) = lcm(i,j) for 1 <= i,j <= n.

Table of values

List of values