Search: id:A053683
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%I A053683
%S A053683 2,5,16,34,91,130,228,289,430,695,799,1150,1418,1566,1880,2400,2994,
%T A053683 3202,3880,4366,4624,5430,6003,6921,8246,8949,9315,10068,10458,11246,
%U A053683 14252,15185,16628,17131,19712,20254,21920,23654,24846,26688,28605
%N A053683 Number of nonprimes <= prime(n)^2.
%e A053683 Up to 25=p(3)^2, the 16 nonprimes are 1,4,6,8,9,10,12,14,15,16,18,20,
               21,22,24,25.
%Y A053683 A000879.
%Y A053683 Sequence in context: A117557 A137997 A139022 this_sequence A082085 A054971 
               A124720
%Y A053683 Adjacent sequences: A053680 A053681 A053682 this_sequence A053684 A053685 
               A053686
%K A053683 easy,nonn
%O A053683 1,1
%A A053683 Labos E. (labos(AT)ana.sote.hu), Feb 16 2000

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