A271741 - OEIS

%I #26 Apr 17 2016 09:31:17

%S 1,8,731,982648,16305532683,3722056510716702,11931439930135002524767

%N Number of ways to dissect a hexagon with side length n exactly into two identical parts in a triangular lattice.

%H G. P. Jelliss, <a href="http://www.mayhematics.com/j/gpj22.htm#(3)">Dissected Hexagons</a>, The Games and Puzzles Journal, Issue 22, January-April 2002.

%Y Cf. A268606, A271857, A113900.

%K nonn,more

%O 1,2

%A _Andrew Howroyd_, Apr 15 2016