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%I #2 Mar 31 2012 13:46:51
%S 2,23,24,44,52,55,552,563,666,672,683,772,834,922,2223,2456,3333,3423
%N Slowest increasing and self-describing sequence: first 2 digits are the same, followed by 2 different, then 3 same digits, then 2 different, then 4 same, then 4 different, then 4 same, then 5 different, etc.
%e 2 23 24 44 52 55 552 563 666 672 683 772 834 922 2223 2456 3333 3423 33...
%e ^ ^- -^ ^^ -- ^^ ^^- --- ^^^ ^-- --- ^^- --- -^^ ^^^- ---- ^^^^ ^--
%e .2..2...3...2...4....4.....4....5.....2...5......5.....5......5...2....
%e .=..#...=...#...=....#.....=....#.....=...#......=.....#......=...#
%K base,easy,nonn
%O 2,1
%A _Eric Angelini_, May 05 2005