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A028207
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Expansion of 1/((1-6x)(1-7x)(1-10x)(1-11x)).
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0
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1, 34, 731, 12716, 195657, 2781030, 37422967, 484054192, 6078887573, 74632686986, 900223323363, 10706758727028, 125901196014049, 1466781515230702, 16957557634824719, 194793155476604024
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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FORMULA
| a(n) = (-54/5)*6^n+(343/12)*7^n-(250/3)*10^n+(1331/20)*11^n. - N. J. A. Sloane, Mar 14 2011
a(n) = 21*a(n-1) - 110*a(n-2) + 7^(n+1) - 6^(n+1), a(0)=1, a(1)=34. - Vincenzo Librandi, Mar 13 2011
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CROSSREFS
| Sequence in context: A188711 A016109 A028211 * A028193 A028206 A028192
Adjacent sequences: A028204 A028205 A028206 * A028208 A028209 A028210
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KEYWORD
| nonn
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com).
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