535709domain: NPropertiesPrimalityPrimeyesAppears in sequencesExpansion of (7 +4*x -5*x^2 -7*x^3) / ((1-x)*(1-x^2-x^3)).at n=40A103485Number of (n+4)X5 0..2 matrices with each 5X5 subblock idempotent.at n=12A224618Prime numbersat n=44248