72474

Appears in sequences

• Squarefree numbers differing by more than 3 from any other squarefree number.at n=5A268332
• G.f.: Sum_{n>=1} Sum_{k=0..n} binomial(n,k) * x^(k^2) * (x^n - x^k)^(n-k), ignoring the constant term.at n=74A292808
• Lesser of 2 successive tetraprimes (k, k+4) sandwiching three consecutive not squarefree numbers.at n=17A367791
• Tetraprime numbers differing by more than 3 from any other squarefree number.at n=0A369238