391972domain: NAppears in sequencesNumber of one-element transitions among all integer partitions of the integers from m=0 to m=n in the unlabeled case.at n=28A096586Least positive integer k such that both k and k*n belong to the set {m>0: prime(m)+2 is prime with prime(prime(m)+2) = prime(prime(m))+6}.at n=36A261528