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Search: id:A134417
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| 1, 1, 4, 1, 8, 5, 1, 12, 15, 20, 1, 16, 30, 80, 25, 1, 20, 50, 200, 125, 100, 1, 24, 75, 400, 375, 600, 125, 1, 28, 105, 700, 875, 2100, 875, 500, 1, 32, 140, 1120, 1750, 5600, 3500, 4000, 625, 1, 36, 180, 1680, 3150, 12600, 10500, 18000, 5625, 2500
(list; table; graph; listen)
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OFFSET
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1,3
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COMMENT
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Row sums = A134418 (1, 5, 14, 48, 152, 496, 2600, 5184,...).
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FORMULA
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Binomial transform of an infinite lower triangular matrix with A133632 (1, 4, 5, 20, 25, 100,...) as the main diagonal and the rest zeros.
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EXAMPLE
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First few rows of the triangle are:
1;
1, 4;
1, 8, 5;
1, 12, 15, 20;
1, 16, 30, 80, 25;
1, 20, 50, 20, 125, 100;
1, 24, 75, 400, 375, 600, 125;
...
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CROSSREFS
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Cf. A133632, A134418.
Sequence in context: A060440 A021709 A141567 this_sequence A116080 A143820 A103553
Adjacent sequences: A134414 A134415 A134416 this_sequence A134418 A134419 A134420
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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), Oct 24 2007
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