Number of (3+1) X (n+1) arrays of permutations of 0..n*4+3 with each element having index change +-(.,.) 0,0 0,1 or 1,2.

A264343

Number of (3+1) X (n+1) arrays of permutations of 0..n*4+3 with each element having index change +-(.,.) 0,0 0,1 or 1,2.

Terms

    a(0) =16a(1) =233a(2) =4900a(3) =70669a(4) =1243225a(5) =20386617a(6) =345358201a(7) =5804687049a(8) =97945201592

External references