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A087439
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Expansion of (1-4x)/((1-x)(1-3x)(1-5x)).
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1
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1, 5, 22, 98, 451, 2135, 10312, 50468, 249061, 1235465, 6147802, 30650438, 152986471, 764135195, 3818284492, 19084248008, 95399716681, 476934013325, 2384476356382, 11921800651178, 59607259863691, 298031069141855
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OFFSET
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0,2
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COMMENTS
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Partial sums of A081186. The sequence 0,1,5,22,.. is given by 5^n/8+3^n/4-3/8. Binomial transform of A087440.
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LINKS
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FORMULA
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a(n)=5*5^n/8+3*3^n/4-3/8.
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CROSSREFS
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KEYWORD
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easy,nonn
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AUTHOR
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STATUS
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approved
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