219681domain: NAppears in sequencesNumber of (n+1) X (1+1) arrays of permutations of 0..n*2+1 with each element having directed index change 0,0 0,1 1,0 -2,-1 or -1,-2.at n=16A264166Numbers k such that k^3 +- 2 and k +- 2 are prime.at n=32A329727