Absolute value of determinant of n X n matrix whose entries are the integers from 1 to n^2 spiraling inward, starting in a corner.
A023999
Absolute value of determinant of n X n matrix whose entries are the integers from 1 to n^2 spiraling inward, starting in a corner.
Terms
- a(0) =1a(1) =5a(2) =48a(3) =660a(4) =11760a(5) =257040a(6) =6652800a(7) =198918720a(8) =6745939200a(9) =255826771200
External references
- oeis: A023999