64094922409domain: NAppears in sequencesNumber of (n+1)X(5+1) arrays of permutations of 0..n*6+5 with each element having index change (+-,+-) 0,0 1,1 or 1,2.at n=3A263963T(n,k)=Number of (n+1)X(k+1) arrays of permutations of 0..(n+1)*(k+1)-1 with each element having index change (+-,+-) 0,0 1,1 or 1,2.at n=31A263964