134039domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes p whose Zeckendorf-expansion A014417(p) is palindromic.at n=27A095730Number of (w,x,y,z) with all terms in {1,...,n} and w*x-y*z<n.at n=22A212108Primes in A343812.at n=42A343814Prime numbersat n=12498