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A243360 a(n) = arrange digits of concatenation of divisors of n (A037278, A176558) in decreasing order (in base 10).

%I A243360 #10 Apr 25 2025 15:56:01
%S A243360 1,21,31,421,51,6321,71,8421,931,52110,111,6432211,311,74211,55311,
%T A243360 864211,711,9863211,911,54221100,73211,222111,321,8644322211,5521,
%U A243360 632211,97321,87442211,921,65533211100,311,86432211,333111,743211,75531,986643322111,731
%N A243360 a(n) = arrange digits of concatenation of divisors of n (A037278, A176558) in decreasing order (in base 10).
%C A243360 See A243363 = numbers n such that a(n) = 9876543210.
%e A243360 For n = 12; divisors of 12: 1, 2, 3, 4, 6, 12; a(12) = 6432211.
%o A243360 (Magma) A243360:=func<n | Seqint(Sort(&cat[(Intseq(k)): k in Divisors(n)]))>; [A243360(n): n in [1..100]];
%Y A243360 Cf. A037278, A176558, A243361, A243362, A243363, A243364.
%K A243360 nonn,base
%O A243360 1,2
%A A243360 _Jaroslav Krizek_, Jun 04 2014