76041domain: NAppears in sequencesSum of the squares of the quadratic nonresidues of prime(n).at n=19A125617Numbers n such that phi(n)=d_1!!*d_2!!*...*d_k!! where d_1 d_2 ... d_k is the decimal expansion of n.at n=30A139408Expansion of (1/x) * Series_Reversion( x / (1+x)^3 * (1-x^3)^3 ).at n=7A369403