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A182757 Numbers k > 1 such that is no sequence B of type: {b(1) = 1, b(2) = k, for n >= 3; b(n) = the smallest number h > b(n-1) such that [[b(n-2) + b(n-1)] * [b(n-2) + h] * [b(n-1) + h]] / [b(n-2) * b(n-1) * h] is integer}. 7

%I #5 Mar 30 2012 19:00:24

%S 4,5,7,8,9,10,11,12,13,15,16,17,18,19,20,22,23,24,25,26,27,28,29,30,

%T 31,32,33,34,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50

%N Numbers k > 1 such that is no sequence B of type: {b(1) = 1, b(2) = k, for n >= 3; b(n) = the smallest number h > b(n-1) such that [[b(n-2) + b(n-1)] * [b(n-2) + h] * [b(n-1) + h]] / [b(n-2) * b(n-1) * h] is integer}.

%C With 1 complement of A182756.

%Y Cf. A182751, A182752, A182753, A182754, A182755, A182756, A038754.

%K nonn

%O 1,1

%A _Jaroslav Krizek_, Nov 27 2010

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Last modified March 18 22:56 EDT 2024. Contains 370952 sequences. (Running on oeis4.)