%I A046075
%S A046075 101,121,131,141,151,161,171,181,191,202,212,232,242,252,262,272,282,
%T A046075 292,303,313,323,343,353,363,373,383,393,404,414,424,434,454,464,474,
%U A046075 484,494,505,515,525,535,545,565,575,585,595,606,616,626,636,646,656
%N A046075 Nontrivial undulants; base 10 numbers >100 which are of the form aba, 
               abab, ababa..., where a!=b.
%D A046075 C. A. Pickover, ``The Undulation of the Monks.'' Ch. 20 in Keys to Infinity. 
               New York: W.H.Freeman, pp. 159-161 1995.
%D A046075 C. A. Pickover, "Wonders of Numbers", Oxford New York 2001, Chapter 52, 
               pp. 123-124, 316-317.
%H A046075 C. A. Pickover, "Wonders of Numbers, Adventures in Mathematics, Mind 
               and Meaning," <a href="http://www.emis.de/cgi-bin/zmen/ZMATH/en/quick.html?first=1&maxdocs=3&type=html&an\
               =0983.00008&format=complete">Zentralblatt review</a>
%H A046075 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               UndulatingNumber.html">Link to a section of The World of Mathematics.</
               a>
%Y A046075 Cf. A046076, A033619.
%Y A046075 Sequence in context: A105992 A038370 A084430 this_sequence A088882 A135602 
               A095635
%Y A046075 Adjacent sequences: A046072 A046073 A046074 this_sequence A046076 A046077 
               A046078
%K A046075 nonn,base
%O A046075 1,1
%A A046075 Eric Weisstein (eric(AT)weisstein.com)