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%I #10 Mar 16 2023 05:54:23
%S 1,3,5,7,7,11,11,7,13,13,5,11,11,7,13,13,17,17,19,19,17,17,7,5,23,23,
%T 19,19,11,23,23,13,11,29,29,7,13,31,31,23,23,37,37,11,29,29,11,41,41,
%U 31,31,13,43,43,37,37,17,47,47,53,53,59,59,61,61,13,13,67,67,71,71,73,73,79,79,11,17
%N a(n) is the greatest prime factor of A361321(n) with a(1) = 1.
%H Scott R. Shannon, <a href="/A361327/b361327.txt">Table of n, a(n) for n = 1..10000</a>
%e A361321(3) = 10 = 2*5, so a(3) = 5.
%Y Cf. A361321, A000469, A361328 (least prime factor), A361329, A361329, A336957, A360519, A361120.
%K nonn
%O 1,2
%A _Scott R. Shannon_, _Rémy Sigrist_ and _N. J. A. Sloane_, Mar 15 2023