262337domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumbers n such that A160691(n)=12.at n=18A158963Primes of the form k^3+3*k+1.at n=12A180275a(n) = Sum_{k=0..floor(n/3)} (n-2*k+1) * binomial(n-2*k,k)^2.at n=16A375565Prime numbersat n=23016