%I A002557 M4959 N2126
%S A002557 1,15,21,33,35,39,51,55,57,65,69,77,85,87,91,93,95,115,119,133,143,
%T A002557 145,155,161,187,203,209,217,221,247,253,299,319,323,341,377,391,403,437
%N A002557 A random subset of A056913.
%D A002557 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, 
               Academic Press, 1995 (includes this sequence).
%D A002557 N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 
               (includes this sequence).
%D A002557 H. Gupta, A formula for L(n), J. Indian Math. Soc., 7 (1943), 68-71.
%Y A002557 Sequence in context: A024556 A146166 A056913 this_sequence A128907 A020162 
               A046404
%Y A002557 Adjacent sequences: A002554 A002555 A002556 this_sequence A002558 A002559 
               A002560
%K A002557 dead
%O A002557 1,2