1227752domain: NAppears in sequencesG.f. satisfies A(x) = ( 1 + x*A(x)^(5/2) / (1 - x*A(x)) )^2.at n=7A371581Number of subsets of {1,2,...,n} such that no two elements differ by 2, 4, or 5.at n=39A375983