385691

Appears in sequences

• Number of partitions of the set {1,2,...,n} such that no block is a sequence of consecutive integers (including 1-element blocks).at n=12A168444
• a(n) = number of polynomials a_k*x^k + ... + a_1*x + a_0 with k > 0, integer coefficients, only distinct integer roots, and a_0 = p^n (p is a prime).at n=31A248348