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Search: id:A134577
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| 1, 2, 2, 2, 0, 3, 3, 4, 0, 4, 2, 0, 0, 0, 5, 4, 4, 6, 0, 0, 6, 2, 0, 0, 0, 0, 0, 7, 4, 6, 0, 8, 0, 0, 0, 8, 3, 0, 6, 0, 0, 0, 0, 0, 9, 4, 4, 0, 0, 10, 0, 0, 0, 0, 10
(list; table; graph; listen)
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OFFSET
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1,2
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COMMENT
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Row sums = A007429: (1, 4, 5, 11, 7, 20, 9, 26,...). Left border = A000005: (1, 2, 2, 3, 2, 4, 2,...). A134577 * [1/1, 1/2, 1/3,...] = A007425: (1, 3, 3, 6, 3, 9, 3, 10,...). A134577 * [1, 2, 3,...] = A007433: (1, 6, 11, 27, 27, 66,...). A134577 * A000005 = A034761: (1, 6, 8, 23, 12, 48,...)
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FORMULA
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A127170 * A127648 = A051731^2 * A127648 = A051731 * A127093
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EXAMPLE
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First few rows of the triangle are:
1;
2, 2;
2, 0, 3;
3, 4, 0, 4;
2, 0, 0, 0, 5
4, 4, 6, 0, 0, 6;
2, 0, 0, 0, 0, 0, 7;
4, 6, 0, 8, 0, 0, 0, 8;
...
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CROSSREFS
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Cf. A051731, A127170, A127648, A127093, A007429, A127170, A007433, A034761.
Adjacent sequences: A134574 A134575 A134576 this_sequence A134578 A134579 A134580
Sequence in context: A071443 A013586 A071441 this_sequence A071442 A124759 A071295
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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), Nov 02 2007
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