3037500

Appears in sequences

• n*phi(n)*phi(phi(n)) is a fourth power.at n=14A116003
• 1/4 the number of nX6 0..3 arrays with no element equal both to the element above and to the element to its left.at n=1A185564
• T(n,k)=1/4 the number of nXk 0..3 arrays with no element equal both to the element above and to the element to its left.at n=22A185567
• T(n,k)=1/4 the number of nXk 0..3 arrays with no element equal both to the element above and to the element to its left.at n=26A185567
• Numbers k such that k^3 is the sum of two positive 5th powers.at n=24A291851
• Numbers m such that phi(m) = rad(m)^4, where phi is the Euler totient function (A000010) and rad is the squarefree kernel function (A007947).at n=5A328275