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A236207 Numbers not divisible by 5 or 11. 2

%I #25 Jul 14 2015 15:11:19

%S 1,2,3,4,6,7,8,9,12,13,14,16,17,18,19,21,23,24,26,27,28,29,31,32,34,

%T 36,37,38,39,41,42,43,46,47,48,49,51,52,53,54,56,57,58,59,61,62,63,64,

%U 67,68,69,71,72,73,74,76,78,79,81,82,83,84,86,87,89,91,92,93,94,96,97

%N Numbers not divisible by 5 or 11.

%H Bruno Berselli, <a href="/A236207/b236207.txt">Table of n, a(n) for n = 1..1000</a>

%H <a href="/index/Rec#order_37">Index entries for linear recurrences with constant coefficients</a>, signature (2, -1, 0, 0, -1, 2, -1, 0, 0, -1, 2, -1, 0, 0, -1, 2, -1, 0, 0, -1, 2, -1, 0, 0, -1, 2, -1, 0, 0, -1, 2, -1, 0, 0, -1, 2, -1).

%t Select[Range[100], Mod[#, 5] > 0 && Mod[#, 11] > 0 &] (* or *) Select[Range[100], Or @@ Divisible[#, {5, 11}] == False &] (* _Bruno Berselli_, Mar 24 2014 *)

%Y Intersection of A047201 and A160542.

%K nonn,easy

%O 1,2

%A _Oleg P. Kirillov_, Jan 20 2014

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Last modified April 25 11:16 EDT 2024. Contains 371967 sequences. (Running on oeis4.)