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Search: id:A118436
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| 1, 1, -3, -11, 25, 41, -43, 29, -335, -1199, 3117, 6469, -10295, -8839, -16123, -108691, 354145, 873121, -1721763, -2521451, 1476985, -6699319, 34182197, 103232189, -242017775, -451910159, 597551757, 130656229, 2465133865, 10513816601, -29729597083, -66349305331
(list; graph; listen)
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OFFSET
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0,3
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COMMENT
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Binomial transform of A118434 = (1, 1, 3, 11, 25, 41, 43, -29, -335, -1199,...) [From Gary W. Adamson (qntmpkt(AT)yahoo.com), Sep 19 2008]
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FORMULA
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G.f.: (1+x+2*x^2-6*x^3+29*x^4+5*x^5)/(1-x^2)/(1+6*x^2+25*x^4).
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PROGRAM
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(PARI) {a(n)=polcoeff((1+x+2*x^2-6*x^3+29*x^4+5*x^5)/(1-x^2)/(1+6*x^2+25*x^4+x*O(x^n)), n)}
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CROSSREFS
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Cf. A118435 (triangle), A118437 (row sums).
Sequence in context: A005475 A141595 A112051 this_sequence A056106 A147382 A164303
Adjacent sequences: A118433 A118434 A118435 this_sequence A118437 A118438 A118439
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KEYWORD
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sign
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AUTHOR
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Paul D. Hanna (pauldhanna(AT)juno.com), Apr 28 2006
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