Number of (n+1)X(4+1) arrays of permutations of 0..n*5+4 with each element having index change +-(.,.) 0,0 0,2 or 1,0.
A264204
Number of (n+1)X(4+1) arrays of permutations of 0..n*5+4 with each element having index change +-(.,.) 0,0 0,2 or 1,0.
Terms
- a(0) =288a(1) =7328a(2) =223245a(3) =6444000a(4) =189087285a(5) =5520382336a(6) =161423594928
External references
- oeis: A264204