Search: id:A103472
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%I A103472
%S A103472 12,35,118,82,118,269,585,985,1750,1438,1765,2718,4336,6040,8814,7678,
%T A103472 8839,11876,16410,20970,27720,24998,27787,34763,44687,54133,67601,62252,
%U A103472 67777,81066,99420,116465,140075,130711,140434,163027,193587,221521
%N A103472 Number of polyominoes without holes consisting of 6 regular unit n-gons.
%H A103472 S. Kurz, <a href="http://www.mathe2.uni-bayreuth.de/sascha/oeis/k-polyominoes.html">
               k-polyominoes</a>.
%e A103472 a(3)=12 because there are 12 polyiamonds consisting of 6 triangles and 
               a(4)=35 because there are 35 polyominoes consisting of 6 squares.
%Y A103472 Cf. A103469, A103470, A103471, A103473.
%Y A103472 Sequence in context: A102085 A058968 A121805 this_sequence A009649 A007794 
               A008653
%Y A103472 Adjacent sequences: A103469 A103470 A103471 this_sequence A103473 A103474 
               A103475
%K A103472 nonn
%O A103472 3,1
%A A103472 Sascha Kurz (sascha.kurz(AT)uni-bayreuth.de), Feb 07 2005

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