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%I #11 Sep 25 2018 07:30:43
%S 0,0,0,0,0,0,0,0,0,0,0,0,9,18,27,36,45,54,63,72,0,0,0,9,18,27,36,45,
%T 54,63,0,0,0,0,9,18,27,36,45,54,0,0,0,0,0,9,18,27,36,45,0,0,0,0,0,0,9,
%U 18,27,36,0,0,0,0,0,0,0,9,18,27,0,0,0,0,0,0,0,0,9,18,0,0,0,0,0,0,0,0,0,9,0,0
%N Difference between n and the largest number with the same digit set as n.
%H Seiichi Manyama, <a href="/A108782/b108782.txt">Table of n, a(n) for n = 0..10000</a>
%F a(n) = A004186(n) - n. - _Seiichi Manyama_, Sep 25 2018
%t FromDigits[Sort[IntegerDigits[n], Greater]] - n (Rob Pratt)
%t Table[Max[FromDigits/@ Permutations[IntegerDigits[n]]]-n, {n, 150}]
%Y Cf. A004186, A151949, A193581.
%K nonn,base,look
%O 0,13
%A _Zak Seidov_, Jun 29 2005
%E a(0)=0 prepended by _Seiichi Manyama_, Sep 25 2018
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