351075domain: NAppears in sequencesNumbers k such that k and k+1 have the same sum and number of prime divisors (with repetition).at n=7A064351Partial sums of cupolar numbers (1/3)*(n+1)*(5*n^2+7*n+3) (A096000).at n=29A117066The average of prime factors of n and n+1 is the same.at n=34A227755