Number of (n+1)X(3+1) arrays of permutations of 0..n*4+3 with each element having index change (+-,+-) 0,2 1,1 or 1,0.
A263970
Number of (n+1)X(3+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) =108a(1) =1817a(2) =86633a(3) =2940624a(4) =118376593a(5) =4465927225a(6) =173624682220
External references
- oeis: A263970