90965domain: NAppears in sequencesNumbers n such that 5*10^n + 8*R_n - 7 is prime, where R_n = 11...1 is the repunit (A002275) of length n.at n=13A103022Array A(n,s) read by rows: the free n-polysticks of the square lattice with symmetry group of order 2^s.at n=36A348096