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%I #4 Mar 31 2012 13:46:51
%S 11,20,21,22,23,24,25,26,27,28,29,111,212,222,230,231,232,233,234,235,
%T 236,237,238,239,322,333,1111,2121,2222,2312,2323,2333,2340,2341,2342,
%U 2343,2344,2345,2346,2347,2348,2349,2433,2444,3222,3333,3444,4141,4222
%N Integers are written in the form abcd...n where "a" means "At position a in this integer there is a digit b"; "b" means: "at position b there is a digit c"; "c" means: "at position c there is a digit d"; ... and "n" means nothing.
%H Manfred Arens <a href="http://www.untexte.de/mathematik/zahlen.htm">Selbstbezuegliche Zahlen vom Typ 2</a>.
%e Integer 2433 reads like this:
%e "At position 2 there is a digit 4" -- which is true;
%e "At position 4 there is a digit 3" -- which is true again;
%e "At position 3 there is a digit 3" -- which is also true.
%K base,easy,nonn
%O 1,1
%A _Eric Angelini_, Apr 28 2005