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A292148 Number of distinct convex hexagons that can be formed from n congruent isosceles right triangles. Reflections are not counted as distinct. 2

%I #20 Jan 25 2020 03:25:07

%S 0,0,0,0,0,1,0,1,1,3,1,2,2,4,1,4,2,6,5,5,5,10,2,6,6,8,8,10,7,14,7,10,

%T 6,13,12,12,13,19,8,16,6,15,22,17,16,25,9,16,10,23,21,22,18,27,23,18,

%U 16,29,21,29,20,35,18,27,18,23,39,28,24,43,21,32,19

%N Number of distinct convex hexagons that can be formed from n congruent isosceles right triangles. Reflections are not counted as distinct.

%C Illustrated with other convex polyabolos in A245676.

%H Douglas J. Durian, <a href="/A292148/b292148.txt">Table of n, a(n) for n = 1..750</a>

%e The smallest convex hexagonal polyabolo that is asymmetric is for n = 9.

%Y Strictly less than A245676.

%K nonn

%O 1,10

%A _Douglas J. Durian_, Sep 13 2017

%E a(33) and beyond from _Douglas J. Durian_, Jan 24 2020

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Last modified April 19 14:10 EDT 2024. Contains 371792 sequences. (Running on oeis4.)