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Search: id:A136572
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| A136572 |
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Triangle read by rows: row n consists of n zeros followed by n!. |
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+0
6
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| 1, 0, 1, 0, 0, 2, 0, 0, 0, 6, 0, 0, 0, 0, 24, 0, 0, 0, 0, 0, 120, 0, 0, 0, 0, 0, 0, 720, 0, 0, 0, 0, 0, 0, 0, 5040, 0, 0, 0, 0, 0, 0, 0, 0, 40320
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OFFSET
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0,6
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COMMENT
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A136572 * A007318 = A021012(unsigned). A007318 * A136572 = A008279
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FORMULA
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Triangle, n zeros followed by n! T(n,k): n! * 0^(n-k), 0<=k<=n. As an infinite lower triangular matrix, A000142 (1, 1, 2, 6, 24, 120,...) in the main diagonal and the rest zeros.
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EXAMPLE
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First few rows of the triangle are:
1;
0, 1;
0, 0, 2;
0, 0, 0, 6;
0, 0, 0, 0, 24;
0, 0, 0, 0, 0, 120;
...
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CROSSREFS
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Cf. A000142, A021012, A008279.
Adjacent sequences: A136569 A136570 A136571 this_sequence A136573 A136574 A136575
Sequence in context: A113044 A051883 A132792 this_sequence A053203 A094315 A048146
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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), Jan 07 2008
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