42334

Appears in sequences

• a(n)=a(n-1)+a(m), where m=2n-2-2^(p+1) and 2^p<n-1<=2^(p+1), for n >= 4.at n=34A050063
• Number of primitive (aperiodic) step shifted (decimated) sequence structures using a maximum of five different symbols.at n=10A056404
• Numbers n such that sigma(2*phi(n)) = 2*sigma(n).at n=20A137733