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Search: id:A134315
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| 1, 1, 1, 0, 2, 2, 0, 0, 4, 4, 0, 0, 0, 8, 8, 0, 0, 0, 0, 16, 16, 0, 0, 0, 0, 0, 32, 32, 0, 0, 0, 0, 0, 0, 64, 64
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OFFSET
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1,5
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COMMENT
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A134315 * [1,2,3,...] = A128135: (1, 3, 10 28, 72, 176, 416,...).
Triangle read by rows given by [1,-1,0,0,0,0,0,0,...] DELTA [1,1,0,0,0,0,0,0,0,...] where DELTA is the operator defined in A084938 . - Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Oct 20 2007
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FORMULA
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A134309 * A134315 as infinite lower triangular matrices. Triangle read by rows, for n>1, (n-1) zeros followed by 2^(n-1), 2^(n-1). As an infinite lower triangular matrix, (1, 1, 2, 4, 8,...) in the main diagonal and (1, 2, 4, 8,...) in the subdiagonal.
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EXAMPLE
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First few rows of the triangle are:
1;
1, 1;
0, 2, 2;
0, 0, 4, 4;
0, 0, 0, 8, 8;
...
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CROSSREFS
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Cf. A134309, A097806, A128135.
Sequence in context: A101164 A062275 A138270 this_sequence A119332 A089262 A069971
Adjacent sequences: A134312 A134313 A134314 this_sequence A134316 A134317 A134318
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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 19 2007
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