Number of (n+1)X(4+1) arrays of permutations of 0..n*5+4 with each element having index change +-(.,.) 0,0 1,-1 or 2,2.
A264186
Number of (n+1)X(4+1) arrays of permutations of 0..n*5+4 with each element having index change +-(.,.) 0,0 1,-1 or 2,2.
Terms
- a(0) =16a(1) =375a(2) =7056a(3) =147968a(4) =2944656a(5) =57950000a(6) =1150295056a(7) =22732293168a(8) =450192689296
External references
- oeis: A264186