842007

Appears in sequences

• One of the two successive approximations up to 2^n for 2-adic integer sqrt(17). This is the 3 (mod 4) case.at n=18A341539
• One of the two successive approximations up to 2^n for 2-adic integer sqrt(17). This is the 3 (mod 4) case.at n=19A341539
• a(n) = smallest number x such that x^2 == 17 (mod 2^n).at n=22A350540