132347

Properties

Appears in sequences

• Primes of the form (2*k^3 + 3*k^2 + k - 12)/6.at n=18A178608
• G.f. satisfies: A(x) = 1 + x*Sum_{n>=0} (A(x)^n - 1)^n.at n=7A232192
• a(n) is the least k such that A033273(k) is equal to (A033273(n*k + 1) - 1)/n where A033273(n) is the number of nonprime divisors of n.at n=41A352256
• Prime numbersat n=12355