45868

Appears in sequences

• Becomes prime after exactly 8 iterations of f(x) = sum of prime factors of x.at n=23A047827
• Number of subsets of {1,...,n} containing n and having at least one set partition into 8 blocks with equal element sum.at n=10A248117
• Number of binary trees with n internal nodes that contain the subtree [Z, [Z, U, U], [Z, U, U]].at n=12A331951