52554

Appears in sequences

• Ruth-Aaron numbers (1): sum of prime divisors of n = sum of prime divisors of n+1.at n=33A006145
• Numbers common to A006145 and A039752.at n=5A039753
• Numbers n such that A048767(n+1)=A048767(n).at n=33A048769
• Numbers k such that sopfr(k) = sopf(k+1), where sopf(k) = A008472(k) and sopfr(k) = A001414(k).at n=31A064675
• Number of length n inversion sequences avoiding the patterns 100, 210, 201, and 102.at n=10A279560
• Infinitary Ruth-Aaron numbers: numbers k such that A181894(k) = A181894(k+1).at n=29A330999
• Unitary Ruth-Aaron numbers: numbers k such that A008475(k) = A008475(k+1).at n=27A331000