%I #6 May 18 2018 19:45:09
%S 1,2,3,4,3,5,5,4,6,5,7,6,8,9,10,6,5,7,11,12,13,7,14,9,15,10,16,17,18,
%T 7,6,19,20,21,22,23,24,25,9,14,13,26,27,28,7,8,18,14,22,12,15,9,29,30,
%U 31,32,33,34,35,36,37,38,14,7,21,39,40,41,10,42,25,9,43,44,45,9,15,46,35,47,48,49,8,50,51,10,28,52,53,54,14,11,55,42,56,29,57,9
%N Restricted growth sequence transform of A048675(A064413(n)).
%H Antti Karttunen, <a href="/A304736/b304736.txt">Table of n, a(n) for n = 1..65539</a>
%H <a href="/index/Ed#EKG">Index entries for sequences related to EKG sequence</a>
%o (PARI)
%o A048675(n) = { my(f = factor(n)); sum(k=1, #f~, f[k, 2]*2^primepi(f[k, 1]))/2; };
%o A304735(n) = A048675(A064413(n)); \\ Needs also code for A064413.
%o rgs_transform(invec) = { my(om = Map(), outvec = vector(length(invec)), u=1); for(i=1, length(invec), if(mapisdefined(om,invec[i]), my(pp = mapget(om, invec[i])); outvec[i] = outvec[pp] , mapput(om,invec[i],i); outvec[i] = u; u++ )); outvec; };
%o v304736 = rgs_transform(vector(65539,n,A304735(n)));
%o A304736(n) = v304736[n];
%Y Cf. A048675, A064413, A304735.
%Y Cf. also A064301, A304113.
%K nonn
%O 1,2
%A _Antti Karttunen_, May 18 2018