Search: id:A045762
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%I A045762
%S A045762 0,1,4,6,8,9,10,11,12,14,15,16,18,20,21,22,23,24,25,26,27,28,29,30,32,
%T A045762 33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,
%U A045762 56,57,58,59,60,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79
%N A045762 2^n-1 is not prime.
%e A045762 8 belongs to the sequence because 2^8-1=255 is not a prime.
%Y A045762 Cf. Mersenne primes A000043.
%Y A045762 Sequence in context: A031977 A091985 A091984 this_sequence A047748 A085558 
               A084984
%Y A045762 Adjacent sequences: A045759 A045760 A045761 this_sequence A045763 A045764 
               A045765
%K A045762 nonn,easy,nice
%O A045762 0,3
%A A045762 Felice Russo (felice.russo(AT)katamail.com)
%E A045762 More terms from Jennifer D. Secor (s1175994(AT)cedarville.edu)

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