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 1,1.
A264107
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 1,1.
Terms
- a(0) =144a(1) =2745a(2) =54756a(3) =1086300a(4) =21511044a(5) =426058380a(6) =8439361956a(7) =167165327340
External references
- oeis: A264107