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Search: id:A136157
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| A136157 |
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Triangle by columns, (3, 1, 0, 0, 0,...) in every column. |
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+0
2
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| 3, 1, 3, 0, 1, 3, 0, 0, 1, 3, 0, 0, 0, 1, 3, 0, 0, 0, 0, 1, 3, 0, 0, 0, 0, 0, 1, 3, 0, 0, 0, 0, 0, 0, 1, 3, 0, 0, 0, 0, 0, 0, 0, 1, 3, 0, 0, 0, 0, 0, 0, 0, 0, 1, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 3
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Triangle A136158 is generated from A136157.
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FORMULA
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Triangle by columns, (3, 1, 0, 0, 0,...) in every column. By rows, for n>1, (n-1) zeros followed by 1, 3. Infinite lower triangular matrix with (3, 3, 3,...) in the main diagonal and (1, 1, 1,...) in the subdiagonal, with the rest zeros.
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EXAMPLE
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First few rows of the triangle are:
3;
1, 3;
0, 1, 3;
0, 0, 1, 3;
0, 0, 0, 1, 3;
0, 0, 0, 0, 1, 3;
...
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CROSSREFS
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Cf. A136158.
Sequence in context: A146524 A167274 A131088 this_sequence A143353 A127172 A011087
Adjacent sequences: A136154 A136155 A136156 this_sequence A136158 A136159 A136160
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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), Dec 16 2007
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