214245domain: NAppears in sequencesMaximum of |det(A)| where A is an n X n circulant (0,1) matrix over the integers.at n=15A086432If p(x) is the x-th prime, then the n-th set of 5 consecutive sexy prime pairs starts at p(a(n)).at n=16A095964G.f. A(x) satisfies A(x/A(x)^2) = 1/(1-x)^3.at n=5A145169