%I #2 Mar 31 2012 13:46:51
%S 1,2,4,5,7,9,12,22,24,31,33,35,36,42,44,46,48,52,61,72,81,92,222,311,
%T 411,522,611,722,822,911,2222,2231,3122,3131,4222,5111,6222,6231,7122,
%U 8222,8231,9112
%N Slowest increasing sequence which self-describes its succession of odd and even digits.
%e 1 2 4 5 7 9 12 22 24 31 33 35 36 42 44 46 48 52 61 72 81 92 222 311
%e . ^ ^ . . . .^ ^^ ^^ .. .. .. .^ ^^ ^^ ^^ ^^ .^ ^. .^ ^. .^ ^^^ ...
%e 1 2 4 5 7 9 1 2 2 2 2 4 3
%K base,easy,nonn
%O 1,2
%A _Eric Angelini_, May 04 2005