14561856

Appears in sequences

• Squares of even octagonal numbers.at n=18A014794
• Squares such that in n and sqrt(n) the parity of digits alternates.at n=27A030154
• a(n) is the larger coefficient of the pair (x, y) such that (x^2-y^2)/r, 2*x*y/r, (x^2+y^2)/r are the 2 legs and hypotenuse of the least Pythagorean triple having area A006991(n).at n=18A364108