cp's OEIS Frontend

A135604 Self-describing sequence: 1 even digit between two odd, then 2 even digits between two odd, then 3 even digits, then 4, then 6... The length of each run of even digits is given by the sequence itself (the smallest available integer is used when needed). Zero is an even digit.

%I A135604 #2 Mar 30 2012 18:49:53
%S A135604 1,2,3,4,6,7,8,20,30,40,41,42,44,46,50,60,62,64,70,82,84,85,86,88,200,
%T A135604 202,204,206,208,210,220,222,224,226,228,240,242,244,246,248,250,260,
%U A135604 262,264,266,268,280,282,284,286,288
%N A135604 Self-describing sequence: 1 even digit between two odd, then 2 even digits between two odd, then 3 even digits, then 4, then 6... The length of each run of even digits is given by the sequence itself (the smallest available integer is used when needed). Zero is an even digit.
%e A135604 Runs of even digits are between brackets:
%e A135604 Seq: 1,(2),3,(4,6,)7,(8,20,)3(0,40,4)1,(42,44,46,)5(0,60,62,64,)70,...
%e A135604 Runs:...1......2........3........4..........6............7.. = sequence itself.
%Y A135604 Cf. A114148, A114149
%K A135604 base,nonn
%O A135604 1,2
%A A135604 _Eric Angelini_, Feb 26 2008