%I #8 Aug 11 2022 09:57:38
%S 1,2,5,4,11,10,17,8,25,22,23,20,31,34,55,16,41,50,47,44,85,46,59,40,
%T 121,62,125,68,67,110,73,32,115,82,187,100,83,94,155,88,97,170,103,92,
%U 275,118,109,80,289,242,205,124,127,250,253,136,235,134,137,220
%N Completely multiplicative with a(prime(k)) = prime(2*k - 1) (where prime(k) denotes the k-th prime).
%C This sequence is a permutation of A066208.
%C See A297002 for a similar sequence.
%F a(n) = A064989(A297002(n)).
%F a(n) >= n with equality iff n is a power of 2 (A000079).
%o (PARI) a(n) = my (f=factor(n)); prod(i=1, #f~, prime(2*primepi(f[i, 1]) - 1)^f[i, 2])
%Y Cf. A000079, A066208, A297002.
%K nonn,mult
%O 1,2
%A _Rémy Sigrist_, Sep 22 2018
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