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Search: id:A111782
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| 1, 72, 3285, 122760, 4138695, 132046200, 4096887795, 125691766200, 3854667766950, 119027264756400, 3719190784859550, 118004440103550000, 3811105656937829250, 125500234402721178000, 4218813452749267622250
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OFFSET
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8,2
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FORMULA
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E.g.f. (1/sqrt(1-x^2))*((x/(1-x))^8)/8!.
a(n)=(n!/8!)*sum(binomial(2*k, k)*binomial(n-2*k-1, 7)/(4^k), k=0..floor((n-8)/2)), n>=8.
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CROSSREFS
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Sequence in context: A004389 A111598 A116312 this_sequence A054557 A103861 A119750
Adjacent sequences: A111779 A111780 A111781 this_sequence A111783 A111784 A111785
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KEYWORD
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nonn,easy
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AUTHOR
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Wolfdieter Lang (wolfdieter.lang_AT_physik_DOT_uni-karlsruhe_DOT_de), Aug 23 2005
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