52227

Appears in sequences

• Numbers k such that 7*2^k - 3 is prime.at n=39A058593
• Partial sums of A051941.at n=26A136105
• Numbers k such that k and k^2 use only the digits 2, 5, 6, 7 and 9.at n=24A137112
• Numbers k such that (7*10^(2*k+1) + 9*10^k - 7)/9 is prime.at n=9A183182
• Number of (w,x,y,z) with all terms in {1,...,n} and w >= harmonic mean of {x,y,z}.at n=17A212107
• Numbers that are the sum of four third powers in exactly eight ways.at n=25A345153