118919033domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumbers n such that 17, n, n+1 are the sides of a Heron triangle, i.e., a triangle with integer sides and integer area.at n=29A145820Prime numbers p such that 17,p,p+1 is a Heron triangle, that is a triangle with integer sides and integer area.at n=3A145821Prime numbersat n=6783610