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Search: id:A134062
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OFFSET
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0,2
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FORMULA
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Binomial transform of (1,7,3,7,3,7,3,...).
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EXAMPLE
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a(2) = 18 = sum of row 2 terms, triangle A134061: (3 + 10 + 5).
a(3) = 38 = (1, 3, 3, 1) dot (1, 7, 3, 7) = (1 + 21 + 9 + 7).
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MATHEMATICA
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a=8; lst={1, a}; k=10; Do[a+=k; AppendTo[lst, a]; k+=k, {n, 0, 5!}]; lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Dec 17 2008]
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CROSSREFS
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Cf. A134061.
Sequence in context: A098944 A129958 A082227 this_sequence A067563 A123134 A096283
Adjacent sequences: A134059 A134060 A134061 this_sequence A134063 A134064 A134065
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KEYWORD
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nonn
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AUTHOR
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Gary W. Adamson (qntmpkt(AT)yahoo.com), Oct 05 2007
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