%I A050518
%S A050518 583200,1166400,1749600,2332800,2916000,3499200,4082400,4665600,
%T A050518 5248800,5832000,6415200,6998400,7581600,8164800,8748000,9331200,
%U A050518 9914400,10497600,11080800,11664000,12247200,12830400,13413600
%N A050518 An arithmetic progression of at least 6 terms having the same value of 
               phi start at these numbers.
%C A050518 The increments of the arithmetic progressions given here are 30, 60, 
               90, 120, ... 690 (the largest one known). [Corrected by Ross Drewe 
               (rd(AT)labyrinth.net.au), Jun 16 2006.]
%H A050518 Tanya Khovanova, <a href="http://www.tanyakhovanova.com/RecursiveSequences/
               NonRecursions.html">Non Recursions</a>
%H A050518 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               TotientFunction.html">Link to a section of The World of Mathematics.</
               a>
%Y A050518 Cf. A000010, A050495, A050496, A050497, A050515-A050520.
%Y A050518 Sequence in context: A090061 A146947 A119402 this_sequence A104962 A100386 
               A090871
%Y A050518 Adjacent sequences: A050515 A050516 A050517 this_sequence A050519 A050520 
               A050521
%K A050518 nonn
%O A050518 1,1
%A A050518 Jud McCranie (j.mccranie(AT)comcast.net), Dec 28 1999