%I A135618
%S A135618 1,2,1094,2899,56817,155286,3268191,9099642,12834909238,36503886401,
%T A135618 57494353262135,165465534734914,278352404864419302,807141068080455861,
%U A135618 19766110689810556002,57478249717507080819,1418604378354657012789
%N A135618 Even Motzkin numbers divided by 2.
%D A135618 E. Deutsch and B. E. Sagan, Congruences for Catalan and Motzkin numbers 
               and related sequences, J. Num. Theory 117 (2006), 191-215.
%F A135618 a(n)=A134718(n)/2.
%Y A135618 Cf. A001006, A134718.
%Y A135618 Sequence in context: A152510 A013543 A039951 this_sequence A119554 A036104 
               A036106
%Y A135618 Adjacent sequences: A135615 A135616 A135617 this_sequence A135619 A135620 
               A135621
%K A135618 nonn
%O A135618 1,2
%A A135618 Omar E. Pol (info(AT)polprimos.com), Feb 17 2008