579856

Appears in sequences

• Initial values for f(x)=phi(sigma(x)) such that iteration of f ends in a cycle of length 18.at n=23A096890
• Floor of the value of Riemann's xi function at n.at n=28A236212
• Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n-1) + n + 1, where a(0) = 1, a(1) = 3, b(0) = 2, b(1) = 4.at n=23A294368