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A366894 a(n) = A336699(A163511(n)).

%I A366894 #7 Jan 03 2024 17:58:14
%S A366894 1,1,1,1,1,7,1,1,1,3,7,1,1,1,1,1,1,61,3,5,7,1,1,29,1,5,1,1,1,1,1,1,1,
%T A366894 23,61,391,3,5,5,13,7,101,1,43,1,29,29,67,1,1,5,1,1,1,1,1,1,7,1,5,1,1,
%U A366894 1,1,1,547,23,977,61,391,391,1401,3,127,5,19,5,13,13,23,7,39,101,221,1,43,43,67,1,371,29,25,29
%N A366894 a(n) = A336699(A163511(n)).
%H A366894 Antti Karttunen, <a href="/A366894/b366894.txt">Table of n, a(n) for n = 0..16384</a>
%F A366894 a(n) = A351565(A324186(n)).
%o A366894 (PARI)
%o A366894 A163511(n) = if(!n,1,my(p=2, t=1); while(n>1, if(!(n%2), (t*=p), p=nextprime(1+p)); n >>= 1); (t*p));
%o A366894 A000265(n) = (n>>valuation(n,2));
%o A366894 A336699(n) = A000265(1+A000265(sigma(A000265(n))));
%o A366894 A366894(n) = A336699(A163511(n));
%Y A366894 Cf. A000265, A000593, A163511, A324186, A336699, A351565, A366895 (rgs-transform).
%K A366894 nonn
%O A366894 0,6
%A A366894 _Antti Karttunen_, Jan 03 2024