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A327988 The zeros of A327987. 3

%I #13 Sep 08 2022 08:46:24

%S 0,2,8,10,26,32,34,40,50,58,74,82,106,122,128,136,146,160,170,178,194,

%T 202,218,226,274,296,298,314,346,362,370,386,394,424,458,466,482,512,

%U 514,530,538,544,554,562,578,586,626,634,640,674,680,698,706,746,776

%N The zeros of A327987.

%C For k > 0 the nonnegative integers k such that Sum_{d|k} k & (k/d) = 0, where & is the bitwise AND operator.

%p select(n -> A327987(n) = 0, [$0..777]);

%o (Magma) [0] cat [k:k in [1..800]| &+[BitwiseAnd(d,k div d):d in Divisors(k)] eq 0]; // _Marius A. Burtea_, Oct 11 2019

%Y Cf. A327987, A327989.

%K nonn

%O 1,2

%A _Peter Luschny_, Oct 11 2019

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Last modified June 29 20:26 EDT 2024. Contains 373855 sequences. (Running on oeis4.)