177192domain: NAppears in sequencesNumber of conics which pass through 3 points and are bitangent to a general curve of order n.at n=24A060783Number of permutations p of [n] such that at most one element of {p(1),...,p(i-1)} is between p(i) and p(i+1) for all i < n and n = 0 or p(n) < 3.at n=13A356832