%I #6 Mar 30 2012 18:51:19
%S 1,1,2,2,3,3,4,3,3,2,2,1,1
%N Number of dominoes with n spots (in standard set).
%H <a href="/index/Do#domino">Index entries for sequences related to dominoes</a>
%e a(3)=2 since there are two dominoes with three spots: 2,1 and 3,0.
%Y Cf. A008967 where rows are equivalent sequences for zero to n spots in each half-domino (in this standard case: 6)
%K easy,fini,full,nonn
%O 0,3
%A _Henry Bottomley_, Aug 23 2000