59415

Appears in sequences

• Odd composite numbers k such that cototient(k) - phi(k) = k - 2*phi(k) is an odd prime.at n=16A083255
• Number of partitions of n with more odd parts than even parts.at n=44A108950
• Odd n such that 2*phi(n) < n, but there does not exist an even k < n with phi(k) = phi(n).at n=10A118700
• Number of length n+1 0..6 arrays with the sum of the cubes of adjacent differences multiplied by some arrangement of +-1 equal to zero.at n=5A250227
• Number of length 6+1 0..n arrays with the sum of the cubes of adjacent differences multiplied by some arrangement of +-1 equal to zero.at n=5A250233
• a(n) = (1/4)*(n^2 - 2*n)^2 + (9/4)*(n^2 - 2*n) + 6.at n=22A294070