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Search: id:A136579
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| 1, 0, 1, 1, 0, 2, 0, 1, 0, 6, 1, 0, 2, 0, 24, 0, 1, 0, 6, 0, 120, 1, 0, 2, 0, 24, 0, 720, 0, 1, 0, 6, 0, 120, 0, 5040, 1, 0, 2, 0, 24, 0, 720, 0, 40320
(list; table; graph; listen)
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OFFSET
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0,6
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COMMENT
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Row sums = A136580: 1, 1, 3, 7, 27, 127,...
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FORMULA
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A128174 * A136572 Triangle, even rows = even n! interspersed with zeros. Odd n rows, = odd n! interspersed with zeros.
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EXAMPLE
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First few rows of the triangle are:
1;
0, 1;
1, 0, 2;
0, 1, 0, 6;
1, 0, 2, 0, 24;
0, 1, 0, 6, 0, 120;
1, 0, 2, 0, 24, 0, 720;
...
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CROSSREFS
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Cf. A136580, A128174, A136572, A000142.
Sequence in context: A067147 A112227 A166378 this_sequence A076694 A095403 A011328
Adjacent sequences: A136576 A136577 A136578 this_sequence A136580 A136581 A136582
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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 09 2008
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