87814

Appears in sequences

• Values of y in solutions (x,y,z) to the Diophantine equation x^3-x^2+y^3-y^2=z^3-z^2, with 1<x<y<z arranged in order of increasing x.at n=36A138668
• Numbers k such that 4^k + 13 is prime.at n=12A253772
• a(n) = Sum_{k=1..n} k * lcm(k,n).at n=22A344508
• Numbers whose second arithmetic derivative (A068346) is a primorial number (A002110) > 1.at n=41A368702