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Search: id:A004295
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| A004295 |
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Expansion of (1+2*x+x^2)/(1-42*x+x^2). |
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+0
1
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| 1, 44, 1848, 77572, 3256176, 136681820, 5737380264, 240833289268, 10109260768992, 424348119008396, 17812511737583640, 747701144859504484, 31385635572361604688, 1317448992894327892412, 55301472065989409876616
(list; graph; listen)
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OFFSET
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0,2
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REFERENCES
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J. M. Alonso, Growth functions of amalgams, in Alperin, ed., Arboreal Group Theory, Springer, pp. 1-34, esp. p. 32.
P. de la Harpe, Topics in Geometric Group Theory, Univ. Chicago Press, 2000, p. 160, middle display.
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CROSSREFS
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Sequence in context: A114170 A130645 A004340 this_sequence A162882 A163230 A163748
Adjacent sequences: A004292 A004293 A004294 this_sequence A004296 A004297 A004298
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KEYWORD
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nonn
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com).
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