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Search: id:A130093
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| 1, 1, 1, 1, 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0
(list; table; graph; listen)
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OFFSET
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1,1
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COMMENT
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Right border = A036987, the Fredholm-Rueppel sequence, (1, 1, 0, 1, 0, 0, 0, 1, 0,...). Row sums = the ruler function, A001511: (1, 2, 1, 3, 1, 2, 1, 4,...).
Contribution from Gary W. Adamson (qntmpkt(AT)yahoo.com), Oct 21 2009: (Start)
A130093 also = A047999 (Sierpinski's gasket) * A036987 diagonalized, as
infinite lower triangular matrices.
Eigensequence of A130093 = A001511, (same sequence as row sums). (End)
Contribution from Gary W. Adamson (qntmpkt(AT)yahoo.com), Oct 26 2009: (Start)
Equals Sierpinski's gasket, A047999 * A036987 (diagonalized); as infinite
lower triangular matrices. (End)
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FORMULA
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Inverse Moebius transform of a lower triangular matrix with A036987 (the Fredholm-Rueppel sequence) on 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, 1;
1, 0, 0;
1, 1, 0, 1;
1, 0, 0, 0, 0;
1, 1, 0, 0, 0, 0;
1, 0, 0, 0, 0, 0, 0;
1, 1, 0, 1, 0, 0, 0, 1;
...
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CROSSREFS
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Cf. A001511, A051731, A036987.
Cf. A047999 [From Gary W. Adamson (qntmpkt(AT)yahoo.com), Oct 21 2009]
Cf. A047999 [From Gary W. Adamson (qntmpkt(AT)yahoo.com), Oct 26 2009]
Sequence in context: A131078 A130657 A084846 this_sequence A166446 A103368 A055132
Adjacent sequences: A130090 A130091 A130092 this_sequence A130094 A130095 A130096
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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), May 06 2007
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