A361122 - OEIS

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A361122

0 if n-th composite number A002808(n) is divisible by 3, otherwise 1.

%I #7 Mar 04 2023 16:59:53

%S 1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,1,0,1,0,1,0,1,1,0,1,0,1,0,1,0,1,0,1,1,

%T 0,1,0,1,1,0,1,0,1,0,1,1,0,1,0,1,0,1,0,1,1,0,1,0,1,0,1,1,0,1,0,1,1,0,

%U 1,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,1,0,1,1,0,1,1,0,1

%N 0 if n-th composite number A002808(n) is divisible by 3, otherwise 1.

%Y Cf. A002808, A181923, A361121, A361123.

%K nonn

%O 1

%A _Scott R. Shannon_, _Rémy Sigrist_ and _N. J. A. Sloane_, Mar 04 2023