232050

Appears in sequences

• Numbers k such that phi(k) < k/5.at n=29A066765
• a(n) = (2^(3*n-1))/(integral_{x=0..1} (1-x^4)^n dx).at n=5A088505
• Irregular triangle read by rows: normalized dimensions of certain generalized quadratic residue codes of length n.at n=54A287879
• Expansion of 1/(1 - x*Sum_{k>=0} x^(k^3)).at n=26A302019
• a(n) = sigma_2(n)*sigma_3(n)/sigma(n).at n=23A320917
• Integers x such that there exist two integers 0<x<=y<=z such that psi(x) = psi(y) = psi(z) = x + y + z.at n=4A385852
• Integers y such that there exist two integers 0<x<=y<=z such that psi(x) = psi(y) = psi(z) = x + y + z.at n=4A386901