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Search: id:A006731
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| A006731 |
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Site percolation series for square lattice.
(Formerly M1055)
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+0
5
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| 1, 2, 4, 7, 12, 20, 33, 53, 85, 133, 210, 322, 505, 759, 1192, 1748, 2782, 3931, 6476, 8579, 15216, 17847, 36761, 33612, 93961, 47282, 262987, -16105, 827382, -571524, 2936705, -3661626, 11507775, -18880652, 48169220, -90436605
(list; graph; listen)
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OFFSET
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0,2
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REFERENCES
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J. W. Essam, A. J. Guttmann and K. De'Bell, On two-dimensional directed percolation, J. Phys. A 21 (1988), 3815-3832.
Jensen, Iwan; Guttmann, Anthony J.; Series expansions of the percolation probability for directed square and honeycomb lattices. J. Phys. A 28 (1995), no. 17, 4813-4833.
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LINKS
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I. Jensen, Table of n, a(n) for n = 0..158 (from link below)
I. Jensen, More terms
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CROSSREFS
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Cf. A056532.
Sequence in context: A128129 A014968 A126348 this_sequence A000071 A093607 A005182
Adjacent sequences: A006728 A006729 A006730 this_sequence A006732 A006733 A006734
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KEYWORD
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sign
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AUTHOR
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njas, Simon Plouffe (plouffe(AT)math.uqam.ca)
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