Number of (3+1)X(n+1) arrays of permutations of 0..n*4+3 with each element having directed index change 0,1 0,-1 0,2 1,0 or -1,0.
A264259
Number of (3+1)X(n+1) arrays of permutations of 0..n*4+3 with each element having directed index change 0,1 0,-1 0,2 1,0 or -1,0.
Terms
- a(0) =25a(1) =180a(2) =1920a(3) =23805a(4) =254393a(5) =2896729a(6) =32417000a(7) =362988208a(8) =4079574153a(9) =45742016837a(10) =513349384857
External references
- oeis: A264259