50349

Appears in sequences

• Numbers m with the property that its k-th smallest divisor, for all 1 <= k <= tau(m), contains exactly k "1" digits in its binary representation.at n=25A255401
• Numbers k such that 63*10^k + 1 is prime.at n=25A271361
• The number of vertices in a 4-pointed star formed by the straight line segments mutually connecting all vertices and all points that divide the sides into n equal parts.at n=4A338003
• Numbers k such that A073734(k) is neither squarefree nor a prime power.at n=21A365899
• G.f. A(x) satisfies A(x) = ( 1 + 9*x/(1 - x*A(x))^2 )^(1/3).at n=7A372022