This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A079602 #9 Mar 28 2025 04:30:43 %S A079602 3,5,3,7,3,11,13,3,17,19,3,23,13,29,3,31,17,3,37,41,43,47,7,3,53,3,7, %T A079602 61,5,67,3,73,3,19,79,83,43,89,3,47,3,97,3,103,109,113,3,29,59,3,61, %U A079602 127,131,67,3,137,139,3,73,151,7,3,157,163,167,173,3,11,179,181,23,47,191 %N A079602 Greatest of smallest odd prime factors of all composite numbers between n-th prime and next prime. %H A079602 Amiram Eldar, <a href="/A079602/b079602.txt">Table of n, a(n) for n = 3..10000</a> %t A079602 a[n_] := Max[FactorInteger[#/2^IntegerExponent[#, 2]][[1, 1]] & /@ Range[Prime[n] + 1, Prime[n + 1] - 1]]; Array[a, 100, 3] (* _Amiram Eldar_, Mar 28 2025 *) %Y A079602 Cf. A078701, A052180. %K A079602 nonn %O A079602 3,1 %A A079602 _Reinhard Zumkeller_, Jan 28 2003