50368domain: NAppears in sequencesNumber of (w,x,y,z) with all terms in {0,...,n} and |w-x|<=|x-y|<=|y-z|.at n=21A212903a(n) = 4*a(n - 1) + 4*a(n - 2) for n>1, a(0)=2, a(1)=3.at n=7A267652a(n) is the unique number m such that A034460(m) = A357324(n).at n=33A357325a(n) is the unique solution to A323410(x) = A362185(n).at n=13A362211