57303domain: NAppears in sequencesNumber of arrays of maxima of three adjacent elements of some length n+2 0..5 array.at n=7A228458Numbers that can be written as a^2 + 3*b^2 for some a, b in A155716 and also as c^2 + 6*d^2 for some c, d in A092572.at n=36A380295