Search: id:A036057
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%I A036057
%S A036057 25,121,125,126,127,128,153,216,289,343,347,625,688,736,1022,1024,1206,
%T A036057 1255,1260,1285,1296,1395,1435,1503,1530,1792,1827,2048,2187,2349,2500,
%U A036057 2501,2502,2503,2504,2505,2506,2507,2508,2509,2592,2737,2916,3125,3159
%N A036057 Friedman numbers: can be written in a nontrivial way using their digits 
               and the operations + - * / ^ and concatenation of digits (but not 
               of results).
%H A036057 Erich Friedman, <a href="http://www.stetson.edu/~efriedma/mathmagic/0800.html">
               Friedman Numbers</a>
%H A036057 <a href="Sindx_Fo.html#4x4">Index entries for similar sequences</a>
%e A036057 E.g. 153=51*3, 736=3^6+7. Not 26 = 2 6, that's trivial.
%Y A036057 Cf. A080035, A156954, A046469.
%Y A036057 Sequence in context: A124953 A126412 A078815 this_sequence A083509 A031151 
               A016970
%Y A036057 Adjacent sequences: A036054 A036055 A036056 this_sequence A036058 A036059 
               A036060
%K A036057 base,nonn
%O A036057 1,1
%A A036057 Erich Friedman (erich.friedman(AT)stetson.edu)
%E A036057 Corrected broken URL. Added cross-reference to A156954 R. J. Mathar (mathar(AT)strw.leidenuniv.nl), 
               Feb 20 2009

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