%I #10 Jun 01 2018 21:41:06
%S 1,1,1,2,2,3,2,1,5,5,4,3,10,10,9,2,1,5,14,14,13,8,4,6,11,10,20,20,19,
%T 3,1,28,28,27,9,33,33,32,7,5,14,37,37,36,2,6,20,8,10,24,18,4,15,21,11,
%U 43,43,42,13,57,57,56,3,1,28,61,61,60,12,19,33,5,67,67,66,17,9,25,14,74,74,73,7,29,34,6,37,81,81,80,2
%N Prime shift towards smaller primes, conjugated by the EKG-permutation: a(n) = A064664(A064989(A064413(n))).
%H Antti Karttunen, <a href="/A305294/b305294.txt">Table of n, a(n) for n = 1..16384</a>
%H <a href="/index/Ed#EKG">Index entries for sequences related to EKG sequence</a>
%H <a href="/index/Pri#prime_indices">Index entries for sequences computed from indices in prime factorization</a>
%F a(n) = A064664(A064989(A064413(n))).
%F For all n >= 1, a(A305293(n)) = n.
%F For all n >= 2, a(A064423(n)) = a(A064955(n)) = A064955(n-1).
%F For all n >= 3, a(1+A064955(n)) = A064423(n-1).
%Y Cf. A064413, A064423, A064955, A064664, A064989, A305293.
%K nonn
%O 1,4
%A _Antti Karttunen_, May 31 2018
|