%I #2 Mar 30 2012 18:55:34
%S 0,11,23,36,41,56,63,71,89,99,11,23,36,41
%N Concatenation of a and b, where a is the reduced sum of the digits of n and b is reduced sum of the digits of A000217.
%e 0 0 00
%e 1 1 11
%e 2 3 23
%e 3 6 36
%e 4 10 41
%e 5 15 56
%e 6 21 63
%e 7 28 71
%e 8 36 89
%e 9 45 99
%e 10 55 11
%e 11 66 23
%e 12 78 36
%e 13 91 41
%e ...
%Y Cf. A001477, A007953, A000217.
%K easy,nonn,base
%O 0,2
%A _Odimar Fabeny_, May 21 2008