32137561domain: NAppears in sequencesa(1) = 3; for n>1, a(n) is the smallest square > a(n-1) obtained by inserting digits into a(n-1).at n=5A068177Expansion of (1 +34*x +121*x^2)/((1-x)*(x^2 -14*x +1)).at n=6A110906