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Search: id:A131431
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| A131431 |
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3n + 1 preceded by n zeros. |
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+0
2
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| 1, 0, 4, 0, 0, 7, 0, 0, 0, 10, 0, 0, 0, 0, 13, 0, 0, 0, 0, 0, 16, 0, 0, 0, 0, 0, 0, 19, 0, 0, 0, 0, 0, 0, 0, 23
(list; table; graph; listen)
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OFFSET
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0,3
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FORMULA
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A016777 as the diagonal of an infinite lower triangular matrix with the rest zeros.
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EXAMPLE
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First few rows of the triangle are:
1;
0, 4;
0, 0, 7;
0, 0, 0, 10;
0, 0, 0, 0, 13;
...
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CROSSREFS
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Cf. A016777, A131432.
Sequence in context: A005397 A021718 A063730 this_sequence A016678 A055028 A028591
Adjacent sequences: A131428 A131429 A131430 this_sequence A131432 A131433 A131434
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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), Jul 10 2007
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