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%I #4 May 08 2015 16:57:22
%S 0,1,2,3,4,5,6,7,8,9,9,9,9,9,9,9,9,9,9,9,8,9,8,8,6,9,8,9,8,7,9,8,9,9,
%T 6,8,9,7,5,3,8,7,8,8,8,9,6,3,8,6,5,9,5,8,9,5,7,9,6,3,6,6,8,9,8,4,6,9,
%U 6,9,7,8,9,6,8,8,4,7,3,8,8,9,4,9,4,7
%N Largest k, such that n is a Belgian-k number.
%C See A106039 for definition of Belgian-k numbers;
%C a(n) = A257770(n,A257773(n));
%C a(n) >= A257778(n); a(A257785(n)) = A257778(A257785(n)).
%H Reinhard Zumkeller, <a href="/A257779/b257779.txt">Table of n, a(n) for n = 0..10000</a>
%o (Haskell)
%o a257779 = last . a257770_row
%Y Cf. A106039, A257770, A257773, A257778.
%K nonn
%O 0,3
%A _Reinhard Zumkeller_, May 08 2015
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