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Search: id:A006734
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| A006734 |
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Series for second perpendicular moment of square lattice.
(Formerly M1839)
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+0
1
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| 0, 2, 8, 24, 60, 136, 288, 582, 1132, 2138, 3940, 7114, 12632, 22080, 38160, 65056, 110172, 184032, 306968, 503650, 831408, 1340338, 2201840, 3479116, 5733312, 8814468, 14772040, 21734370, 37997724, 51650456, 98952836, 115227474, 266750996, 223323542, 768153044, 261658998, 2443777216, -717803658, 8754481712, -8229926352, 35018197920, -51106610852
(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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Adjacent sequences: A006731 A006732 A006733 this_sequence A006735 A006736 A006737
Sequence in context: A009297 A083553 A051745 this_sequence A131064 A075218 A006728
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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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