cp's OEIS Frontend

A278231 Least number with the same prime signature as the n-th number in Blue-code: a(n) = A046523(A193231(n)).

%I A278231 #19 Jun 09 2017 09:19:07
%S A278231 1,2,2,2,4,6,2,6,6,12,2,6,2,4,8,2,16,12,2,12,6,2,6,30,2,2,12,8,6,24,4,
%T A278231 6,12,48,4,24,6,2,12,60,2,12,6,6,24,6,2,6,6,6,32,6,6,36,2,12,12,6,2,
%U A278231 24,2,2,30,6,60,6,6,48,16,2,6,60,6,2,24,6,6,12,6,12,6,2,30,6,64,30,2,12,6,72,2,30,2
%N A278231 Least number with the same prime signature as the n-th number in Blue-code: a(n) = A046523(A193231(n)).
%H A278231 Antti Karttunen, <a href="/A278231/b278231.txt">Table of n, a(n) for n = 1..65537</a>
%H A278231 Indranil Ghosh, <a href="/A278231/a278231.txt">Python program to generate the sequence</a>
%H A278231 <a href="/index/Eu#epf">Index entries for sequences computed from exponents in factorization of n</a>
%F A278231 a(n) = A046523(A193231(n)).
%o A278231 (Scheme) (define (A278231 n) (A046523 (A193231 n)))
%Y A278231 Cf. A046523, A193231, A278233.
%K A278231 nonn
%O A278231 1,2
%A A278231 _Antti Karttunen_, Nov 16 2016