2998219536domain: NAppears in sequencesa(n) = (11*n + 3)^4.at n=21A017428a(n) = (12*n + 6)^4.at n=19A017596Number of (n+1)X(4+1) arrays of permutations of 0..n*5+4 with each element having index change +-(.,.) 0,0 0,2 or 2,1.at n=6A264192