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1, 248832, 6436343, 45435424, 184528125, 550731776, 1350125107, 2887174368, 5584059449, 10000000000, 16850581551, 27027081632, 41615795893, 61917364224, 89466096875, 126049300576, 173726604657
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OFFSET
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0,2
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LINKS
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FORMULA
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a(0)=1, a(1)=248832, a(2)=6436343, a(3)=45435424, a(4)=184528125, a(5)=550731776, a(n)=6*a(n-1)-15*a(n-2)+20*a(n-3)-15*a(n-4)+ 6*a(n-5)- a(n-6) [From Harvey P. Dale, Apr 04 2012]
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MATHEMATICA
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(11Range[0, 20]+1)^5 (* or *) LinearRecurrence[{6, -15, 20, -15, 6, -1}, {1, 248832, 6436343, 45435424, 184528125, 550731776}, 20] (* Harvey P. Dale, Apr 04 2012 *)
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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STATUS
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approved
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