144500

Appears in sequences

• Numbers n that are the hypotenuse of exactly 17 distinct integer-sided right triangles, i.e., n^2 can be written as a sum of two squares in 17 ways.at n=12A097239
• G.f.: Sum_{n>=0} x^n / ( (1+x)^(n+1) * (1 - 5*(n+1)*x) ).at n=6A245376
• Numbers such that the list of exponents of their factorization is a palindromic list of primes.at n=21A322525