209890domain: NAppears in sequencesNumber of terms of A182116 between 2^n and 2^(n+1).at n=67A242435Number of (n+1)X(3+1) arrays of permutations of 0..n*4+3 with each element having directed index change -2,-2 -1,0 0,1 or 1,0.at n=9A264529