A196991
Number of fixed polycairos with n cells.
Original entry on oeis.org
4, 10, 32, 112, 412, 1572, 6148, 24494, 98992, 404650, 1669496, 6941226, 29047568, 122235518, 516860460, 2194691988, 9353657788
Offset: 1
- Eric Weisstein's World of Mathematics, Polycairo
A159866
Number of 2-sided n-polycairos.
Original entry on oeis.org
1, 2, 5, 17, 55, 206, 781, 3099, 12421, 50725, 208870, 868238, 3631673, 15281827, 64610493, 274346429, 1169219224, 4999544053, 21440702381, 92192889106
Offset: 1
- Branko Grünbaum and G. C. Shephard, Tilings and Patterns. W. H. Freeman, New York, 1987.
- Brendan Owen, The 17 tetra-Cairos (from the Zucca web site).
- Brendan Owen, The 55 penta-Cairos (from the Zucca web site).
- Brendan Owen, The 206 hexa-Cairos (from the Zucca web site).
- Brendan Owen, The 781 hepta-Cairos (from the Zucca web site). [This site gives the number as 718, which is a typo: the figure actually shows a(7)=781 heptacairos. - _Joseph Myers_, Oct 03 2011, and _George Sicherman_, Dec 06 2013]
- Ed Pegg, Jr., Illustrations of polyforms
- Eric Weisstein's World of Mathematics, Polycairo
- Livio Zucca, PolyMultiForms
A151535
Number of 1-sided strip polycairos with n cells.
Original entry on oeis.org
1, 3, 7, 19, 47, 125, 310, 803, 2020, 5144, 12986, 32829, 82728, 208461, 524092, 1317284, 3305350, 8291010, 20770830
Offset: 1
A151536
Number of 2-sided strip polycairos with n cells.
Original entry on oeis.org
1, 2, 4, 10, 25, 64, 158, 405, 1018, 2580, 6512, 16435, 41411, 104280, 262161, 658763, 1652954, 4145802, 10386103
Offset: 1
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