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Search: id:A033543
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| A033543 |
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Expansion of (1-sqrt((1-2*x)*(1-6*x)))/(2*x*(2-3*x)). |
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+0
7
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| 1, 2, 5, 16, 62, 270, 1257, 6096, 30398, 154756, 800834, 4199720, 22269976, 119207942, 643277553, 3495713184, 19113486390, 105074982876, 580435709622, 3220217022144, 17935186513044, 100243540330188
(list; graph; listen)
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OFFSET
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0,2
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COMMENT
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Binomial transform of A033321. [From Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Nov 26 2009]
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LINKS
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J. W. Layman, The Hankel Transform and Some of its Properties, J. Integer Sequences, 4 (2001), #01.1.5.
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FORMULA
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a(n)=A124575(n,0). [From Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Nov 26 2009]
a(n)= Sum_{k, 0<=k<=n} A052179(n,k)*(-2)^k. [From Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Nov 28 2009]
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CROSSREFS
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Sequence in context: A163747 A007976 A058259 this_sequence A124531 A129578 A005387
Adjacent sequences: A033540 A033541 A033542 this_sequence A033544 A033545 A033546
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KEYWORD
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nonn,new
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com).
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