67021domain: NPropertiesPrimalityPrimeyesAppears in sequencesThird term of strong prime sextets: p(m-1)-p(m-2) > p(m)-p(m-1) > p(m+1)-p(m) > p(m+2)-p(m+1) > p(m+3)-p(m+2).at n=19A054815Expansion of Product_{k>=1} ((1 + x^(3*k)) / (1 - x^k))^k.at n=19A285447Prime numbersat n=6677