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Search: id:A132478
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| 1, 4, 1, 4, 11, 1, 4, 9, 18, 1, 4, 19, 15, 25, 1, 4, 17, 52, 22, 32, 1, 4, 27, 45, 110, 30, 39, 1, 4, 25, 102, 95, 200, 39, 46, 1, 4, 35, 91, 287, 175, 329, 49, 53, 1, 4, 33, 168, 252, 672, 294, 504, 60, 60, 1
(list; table; graph; listen)
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OFFSET
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0,2
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COMMENT
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Row sums = A132479: (1, 5, 16, 32, 64, 128, 256,...).
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FORMULA
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Inverse binomial transform of [4*A007318^(2) - 3*A000012], as infinite lower triangular matrices.
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EXAMPLE
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First few rows of the triangle are:
1;
4, 1;
4, 11, 1;
4, 9, 18, 1;
4, 19, 15, 25, 1;
4, 17, 52, 22, 32, 1;
4, 27, 45, 110, 30, 39, 1;
...
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CROSSREFS
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Cf. A007318, A132479.
Sequence in context: A021245 A007891 A055886 this_sequence A066808 A033918 A136467
Adjacent sequences: A132475 A132476 A132477 this_sequence A132479 A132480 A132481
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KEYWORD
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nonn,tabl
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AUTHOR
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Gary W. Adamson (qntmpkt(AT)yahoo.com), Aug 23 2007
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