435721domain: NAppears in sequencesNumbers n such that n through n+9 are divisible by the same number of distinct primes.at n=10A045938a(n+1) = 4*a(n) + 11*a(n-1) - 2*a(n-2).at n=7A122885Interlaced merger of A122883, A122884 and A122885.at n=26A122886