Number of (3+1)X(n+1) arrays of permutations of 0..n*4+3 with each element having index change (+-,+-) 0,2 1,1 or 1,0.
A263975
Number of (3+1)X(n+1) arrays of permutations of 0..n*4+3 with each element having index change (+-,+-) 0,2 1,1 or 1,0.
Terms
- a(0) =16a(1) =1441a(2) =86633a(3) =2604481a(4) =102742049a(5) =4952396901a(6) =224559467921
External references
- oeis: A263975