# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/ Search: id:a353567 Showing 1-1 of 1 %I A353567 #7 Apr 29 2022 15:55:43 %S A353567 1,2,1,2,1,2,1,2,2,2,1,3,1,2,1,2,1,4,1,2,1,2,1,3,1,2,2,2,1,2,1,2,1,2, %T A353567 1,6,1,2,1,3,1,2,1,2,2,2,1,3,1,2,1,2,1,4,1,2,1,2,1,4,1,2,2,2,1,2,1,2, %U A353567 1,2,1,6,1,2,1,2,1,2,1,3,2,2,1,4,1,2,1,2,1,4,1,2,1,2,1,3,1,2,2,2,1,2,1,2,1,2,1,6 %N A353567 Number of divisors d of n such that d is a multiple of its prime shadow A181819(d). %C A353567 Number of terms of A325755 that divide n. %H A353567 Antti Karttunen, Table of n, a(n) for n = 1..65537 %F A353567 a(n) = Sum_{d|n} A353566(d). %o A353567 (PARI) %o A353567 A353566(n) = (0==(n%factorback(apply(e->prime(e),(factor(n)[,2]))))); %o A353567 A353567(n) = sumdiv(n,d,A353566(d)); %Y A353567 Inverse Möbius transform of A353566. %Y A353567 Cf. A181819, A325755. %K A353567 nonn %O A353567 1,2 %A A353567 _Antti Karttunen_, Apr 29 2022 # Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE