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Number of polyominoes consisting of 5 regular unit n-gons.
10

%I #4 Sep 25 2022 10:39:53

%S 4,12,25,22,25,50,82,127,186,168,187,263,362,472,614,566,615,776,972,

%T 1179,1437,1347,1439,1711,2045,2376,2786,2641,2790,3204,3707,4193,

%U 4790,4575,4796,5380,6089,6760,7578,7282,7584,8373,9321,10207,11282,10890

%N Number of polyominoes consisting of 5 regular unit n-gons.

%H S. Kurz, <a href="http://www.mathe2.uni-bayreuth.de/sascha/oeis/k-polyominoes.html">k-polyominoes</a>.

%e a(3)=4 because there are 4 polyiamonds consisting of 5 triangles and a(4)=12 because there are 12 polyominoes consisting of 5 squares.

%Y Cf. A103469, A103470, A103472, A103473.

%K nonn

%O 3,1

%A _Sascha Kurz_, Feb 07 2005