189812531

Appears in sequences

• a(0)=1, a(n+1) = 2*a(n) + b(n+2), where b(n)=A004539(n) is the n-th bit in the binary expansion of sqrt(2).at n=27A084188
• Reduced numerators in Wolfram's iteration for sqrt(2).at n=28A095805
• Reduced numerators in Wolfram's iteration for sqrt(2).at n=29A095805
• Reduced numerators in Wolfram's iteration for sqrt(2).at n=30A095805
• Integers n such that n^2 + k is a Mersenne number 2^m - 1 for some k < n and m odd.at n=14A144932
• Values y for records of the minima of the positive distance d between the eleventh power of a positive integer x and the square of an integer y such that d = x^11 - y^2 (x <> k^2 and y <> k^11).at n=11A179795