212500

Appears in sequences

• a(n) = 15n^2 + 13n^3.at n=25A085377
• Third binomial transform of Pell(3n-1).at n=5A093146
• Numbers j that are the hypotenuse of exactly 16 distinct integer-sided right triangles, i.e., j^2 can be written as a sum of two squares in 16 ways.at n=13A097238
• Expansion of g.f. 5*(1-3*x+x^2)/(1-5*x+5*x^2).at n=9A189315
• Terms of A301517 that are not exponentially odd numbers (A268335).at n=18A335989