63505

Appears in sequences

• Number of directed column-convex polyominoes with perimeter 2n+2.at n=10A006027
• Number of partitions of n into parts of 5 kinds.at n=11A023004
• Positive numbers y such that y^2 is of the form x^2+(x+337)^2 with integer x.at n=11A159574
• Numbers of the form m^2 + 1 that can be expressed in more than one way as j^2 + k^2 with j > k > 1 and gcd(j,k) = 1.at n=35A300166
• Numbers k such that sigma(k)^2 is divisible by k-1.at n=39A344347