1255145

Appears in sequences

• One of the two successive approximations up to 2^n for 2-adic integer sqrt(17). This is the 1 (mod 4) case.at n=19A341538
• One of the two successive approximations up to 2^n for 2-adic integer sqrt(17). This is the 1 (mod 4) case.at n=20A341538
• a(n) = smallest number x such that x^2 == 17 (mod 2^n).at n=23A350540