Number of (n+1)X(3+1) arrays of permutations of 0..n*4+3 with each element having index change (+-,+-) 0,0 1,1 or 1,2.
A263961
Number of (n+1)X(3+1) arrays of permutations of 0..n*4+3 with each element having index change (+-,+-) 0,0 1,1 or 1,2.
Terms
- a(0) =108a(1) =2089a(2) =95161a(3) =3232688a(4) =123067561a(5) =4487054905a(6) =165950022876
External references
- oeis: A263961