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Last digit of even Catalan number A152670(n).
0

%I #2 Mar 30 2012 17:33:56

%S 2,4,2,2,0,2,6,6,2,0,0,0,0,0,0,0,0,0,0,4,2,2,4,0,8,4,8,0,4,2,2,4,0,0,

%T 0,0,0,0,0,0,0,0,0,2,6,6,2,0,4,2,2,4,0,2,6,6,2,0,0,0,0,0,0,0,0,0,0,0,

%U 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0

%N Last digit of even Catalan number A152670(n).

%C Even values of A152669.

%Y Cf. A000108, A038003, A094389, A152669, A152670.

%K base,easy,nonn

%O 1,1

%A _Omar E. Pol_, Dec 12 2008