223831domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes p such that the differences between the 5 consecutive primes starting with p are (6,4,2,6).at n=11A078962a(n) = sum of the squares of the coefficients of x^(2*k) in A(x^2)^{2*(n-2*k+1)}, as k varies from 0 to floor(n/2), with a(0)=1.at n=8A182066Prime numbersat n=19926