855293domain: NPropertiesPrimalityPrimeyesAppears in sequencesExpansion of x^3*(2-3*x)/((1-x)^2*(1-2*x)*(1-5*x+5*x^2)).at n=12A283842a(n) = 836*2^n - 771.at n=10A305264Prime numbersat n=67995