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Search: id:A026809
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| 0, 1, 84, 2925, 85320, 2362041, 64304604, 1741001445, 47050068240, 1270739210481, 34313445309924, 926494403955165, 25015631334908760, 675424587904113321, 18236486750190760044, 492385348146244352085, 13294406252968671566880
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OFFSET
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0,3
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FORMULA
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a(n)=C(3^n,3),n>=0. - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Jan 07 2008
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MAPLE
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seq(binomial(3^n, 3), n=0..16); - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Jan 07 2008
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CROSSREFS
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Sequence in context: A098935 A104674 A140903 this_sequence A114253 A017800 A035737
Adjacent sequences: A026806 A026807 A026808 this_sequence A026810 A026811 A026812
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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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