162734

Appears in sequences

• Numbers n such that sigma(n)+d(n) and sigma(n+1)+d(n+1) are perfect squares.at n=6A224441
• Numbers m such that abs(K(m+1) - K(m)) = 2, and both m and m+1 are squarefree (A005117), where K(m) = A002034(m) is the Kempner function.at n=36A346212