355501domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes p such that the differences between the 5 consecutive primes starting with p are (6,6,4,2).at n=12A078966a(n) = Sum_{k=0..n} 2^k * 3^(n-k) * binomial(3*n+1,k) * binomial(3*n-k,n-k).at n=4A385670Prime numbersat n=30415