This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A292148 #20 Jan 25 2020 03:25:07 %S A292148 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 A292148 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 A292148 16,29,21,29,20,35,18,27,18,23,39,28,24,43,21,32,19 %N A292148 Number of distinct convex hexagons that can be formed from n congruent isosceles right triangles. Reflections are not counted as distinct. %C A292148 Illustrated with other convex polyabolos in A245676. %H A292148 Douglas J. Durian, <a href="/A292148/b292148.txt">Table of n, a(n) for n = 1..750</a> %e A292148 The smallest convex hexagonal polyabolo that is asymmetric is for n = 9. %Y A292148 Strictly less than A245676. %K A292148 nonn %O A292148 1,10 %A A292148 _Douglas J. Durian_, Sep 13 2017 %E A292148 a(33) and beyond from _Douglas J. Durian_, Jan 24 2020