Search: id:A015919
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%I A015919
%S A015919 1,2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,61,67,71,73,79,83,89,
%T A015919 97,101,103,107,109,113,127,131,137,139,149,151,157,163,167,173,179,
%U A015919 181,191,193,197,199,211,223,227,229,233,239,241,251,257,263,269,271,277,
               281,283,293,307,311,313,317,331,337,341,347,349,353,359,367
%N A015919 Numbers n such that n | 2^n - 2.
%C A015919 Includes 341 which is first pseudoprime to base 2 and distinguishes sequence 
               from A008578.
%F A015919 A015919 = {1} + A000040 + A001567 = A001567 + A008578. - Ray Chandler 
               (rayjchandler(AT)sbcglobal.net), Dec 07 2003
%Y A015919 Cf. A000040, A001567, A008578.
%Y A015919 Sequence in context: A000040 A008578 A100726 this_sequence A064555 A095320 
               A077359
%Y A015919 Adjacent sequences: A015916 A015917 A015918 this_sequence A015920 A015921 
               A015922
%K A015919 nonn
%O A015919 1,2
%A A015919 Robert G. Wilson v (rgwv(AT)rgwv.com)

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