217627

Appears in sequences

• Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 75 ones.at n=24A031843
• Greatest number, not divisible by 4, having exactly n partitions into three distinct positive squares.at n=16A096021
• Largest number k such that C(-k) is the cyclic group of order n, where C(D) is the class group of the quadratic field with discriminant D; or 0 if no such k exists.at n=35A357600