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%I #10 Nov 26 2015 04:18:40
%S 0,3,1,9,15,59,152,513,1539,4993,15836
%N Number of polydudes(1): a(n) is the number of polydudes with n cells. See the first link for the source of this sequence. The definition is unknown. Not the same as A091130.
%C The polydudes(1) (this sequence) and the polydudes(2) (A091130) are both subsets of the polydrafters (A056842).
%C Speculation about the definition: There are 3 2-drafters that have no 30-degree angles. It appears that all polydudes are unions of these 3 2-drafters. All the pictured 5-dudes and 6-dudes have this property and the numbers of n-drafters with this property agree with the first 5 terms. I believe there is only one 6-drafter with this property that is not in the picture. This one was probably excluded because it has a 30-degree external angle, which none of the other polydudes can fit into. I can't guess what other exclusions might occur for n > 6. (D.R.W.)
%H M. Vicher, <a href="http://www.vicher.cz/puzzle/polyforms.htm">Polyforms</a>
%H M. Vicher, <a href="http://www.vicher.cz/puzzle/polyform/dude/pentdude.htm">Polydudes</a>
%e The second link shows all 5-dudes and 6-dudes.
%Y Cf. A056842, A091130.
%K nonn,obsc
%O 1,2
%A _James A. Sellers_, Aug 28 2000
%E Edited by _David Wasserman_, Dec 19 2003