53355

Appears in sequences

• Numbers n with property that every digit is a prime factor of n.at n=40A062239
• Number of leaf nodes in a binary tree.at n=25A112088
• INVERT transform of A118434, = row sums of triangle A144182.at n=20A144181
• Least k > a(n-1) such that k^3 has no digit in common with a(n-1) and a(n+1), a(0)=0.at n=30A294662
• Sum of piles of first n primes: a(n) = Sum(prime(i)*(2*i-1): 1<=i<=n).at n=27A316322
• Position of n-th appearance of 2n in the sequence of prime gaps (A001223). If 2n does not appear at least n times, set a(n) = -1.at n=27A356223