265895domain: NAppears in sequencesLucas-Carmichael numbers with 4 prime factors.at n=13A216926Expansion of Sum_{i>=2} prime(i)*x^prime(i)/(1 - x^prime(i)) / Product_{j>=1} (1 - x^j).at n=36A281905Lucas-Carmichael numbers whose Dedekind psi value is a cube.at n=3A292572