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A006743
Number of convex polygons of length 2n on honeycomb, or EG-convex polyominoes.
(Formerly M2255)
+0
1
1, 0, 3, 2, 10, 14, 40, 74, 176, 358, 798, 1670, 3626, 7638, 16366, 34462, 73230, 153830, 324896, 680514, 1430336, 2987310, 6253712, 13025954, 27176052, 56465878, 117458820, 243507250, 505239264, 1045301486
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
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Last modified December 17 23:40 EST 2009. Contains 171025 sequences.
AT&T Labs Research
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