105899domain: NPropertiesPrimalityPrimeyesAppears in sequencesSmaller of 3 consecutive prime numbers such that p1*p2*p3+d1+d2-1=average of twin prime pairs, d1(delta)=p2-p1,d2(delta)=p3-p2.at n=27A153402Primes of the form 7n^2 - 4.at n=13A201850Prime numbersat n=10096