%I
%S 0,0,0,0,0,0,0,0,0,0,0,1,2,3,4,5,6,7,8,9,0,11,22,33,44,55,66,77,88,99,
%T 0,111,222,333,444,555,666,777,888,999,0,1111,2222,3333,4444,5555,
%U 6666,7777,8888,9999,0,11111,22222,33333,44444,55555,66666,77777,88888
%N Write what is described (putting a leading zero on numbers which have an odd number of digits).
%e a(123130415)=3335 since it should be read as 01.23.13.04.15, i.e. zero 1's followed by two 3's followed by one 3 followed by zero 4's followed by one 5.
%Y Cf. A005150, A010785, A047842, A056966.
%K base,easy,nonn
%O 0,13
%A _Henry Bottomley_, Jul 20 2000
