a(n) = smallest number x such that x^2 == 17 (mod 2^n).

Terms

a(0) =0a(1) =1a(2) =1a(3) =1a(4) =1a(5) =7a(6) =9a(7) =23a(8) =23a(9) =23a(10) =233a(11) =279a(12) =279a(13) =1769a(14) =1769a(15) =6423a(16) =9961a(17) =9961a(18) =55575a(19) =55575a(20) =206569a(21) =206569a(22) =842007a(23) =1255145a(24) =2939159a(25) =2939159a(26) =2939159a(27) =2939159a(28) =64169705a(29) =64169705