163944

Appears in sequences

• Numbers k such that k | phi(k)*d(k) - sigma(k), where phi=A000010, d=A000005 and sigma=A000203.at n=8A055650
• Numbers n such that sigma(n) = 11*phi(n) (where sigma=A000203, phi=A000010).at n=8A171257
• Numbers k such that k and k^3 are sums of two twin primes.at n=27A213811
• Expansion of (1/x) * Series_Reversion( x * ((1-x)^2-x^3) ).at n=8A369214