14835031domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes of form (k+1)^5 - k^5 = A022521(k).at n=12A121616a(1)=3; for n>1, if n is odd a(n) = spf(Product_{k=1..n-1}(a(k))+1) else a(n) = spf(Product_{k=1..n-1}(a(k))-1), where spf is "smallest prime factor".at n=6A265009Prime numbersat n=960777