|
%I #9 Feb 21 2024 08:18:41
%S 1,3,3,3,5,5,7,3,3,3,11,5,13,3,3,3,17,5,19,3,3,3,23,5,5,3,3,3,29,7,31,
%T 3,3,3,5,5,37,3,3,3,41,5,43,3,3,3,47,5,7,3,3,3,53,5,5,3,3,3,59,7,61,3,
%U 3,3,5,5,67,3,3,3,71,5,73,3,3,3,7,5,79,3,3,3,83,5,5,3,3,3,89,7,7,3,3
%N a(n) = A096014(n) / 2.
%C For n > 1, a(n) is the larger of the least prime dividing n and the least prime not dividing n. - _Peter Munn_, Feb 21 2024
%F a(n) = if n is odd then A020639(n) else A053669(n).
%Y Cf. A020639, A053669, A096014.
%K nonn,easy
%O 1,2
%A _Reinhard Zumkeller_, Jun 15 2004
|
