635293domain: NPropertiesPrimalityPrimeyesAppears in sequencesInitial terms of quartets of consecutive primes as follows: {p, p+16, p+24, p+40}. The corresponding difference-pattern is {16,8,16}.at n=19A102333a(n) = Sum_{k=0..n} 2^k*C([(n+k)/2],k)*C([(n+k+1)/2],k) where [x]=floor(x).at n=11A124431Prime numbersat n=51738