A159989 - OEIS

%I #8 Mar 24 2014 23:59:18

%S 1,1,2,5,2,6,0,9,2,2,8,10,4,4,0,9,6,6,0,6,0,0,0,6,0,0,8,8,8,4,4,1,6,6,

%T 0,10,4,4,8,2,8,0,0,0,0,0,0,6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,9,6,6,0,6,

%U 0,0,0,6,0,0,0,0,0,0,0,6,8,8,8,4,4,4,0,0,0,4,4,4,8,8,8,6,0,0,0,0,0,0,0,0,0,0,0,4,4,4,8,8,8,0,0,0,8,8,8

%N Catalan numbers read modulo 12.

%F a(n)= A000108(n) mod 12.

%t Mod[ #,12]&/@CatalanNumber[Range[0,40]] (* _Harvey P. Dale_, May 12 2009 *)

%K easy,nonn

%O 0,3

%A _Philippe Deléham_, Apr 28 2009

%E More terms from _Harvey P. Dale_, May 12 2009

%E Further terms from _N. J. A. Sloane_, Mar 24 2014