%I A130851
%S A130851 1,1,2,5,5,6,6,6,8,2,2,7,4,4,0,0,0,6,6,6,3,3,3,0,0,0,8,2,2,4,1,1,3,3,3,
%T A130851 1,7,7,2,5,5,0,0,0,0,0,0,0,0,0,0,0,0,6,6,6,3,3,3,0,0,0,3,3,3,6,6,6,0,0,
%U A130851 0,0,0,0,0,0,0,0,0,0,8,2,2,4,1,1,3,3,3,7,4,4,5,8,8,0,0,0,3,3,3,6,6,6,0
%N A130851 a(n) = digital root (A010888) of Catalan number A000108(n).
%C A130851 Catalan numbers read modulo 9. [From Philippe DELEHAM (kolotoko(AT)wanadoo.fr), 
               Apr 28 2009]
%F A130851 a(n)= A000108(n) mod 9 . [From Philippe DELEHAM (kolotoko(AT)wanadoo.fr), 
               Apr 28 2009]
%Y A130851 Cf. A000108, A010888, A130856.
%Y A130851 Sequence in context: A082084 A094236 A073101 this_sequence A130856 A004095 
               A145434
%Y A130851 Adjacent sequences: A130848 A130849 A130850 this_sequence A130852 A130853 
               A130854
%K A130851 nonn,base
%O A130851 0,3
%A A130851 N. J. A. Sloane (njas(AT)research.att.com), Aug 21 2007