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Search: id:A112295
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| A112295 |
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Inverse of a double factorial related triangle. |
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+0
5
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| 1, -1, 1, 0, -3, 1, 0, 0, -5, 1, 0, 0, 0, -7, 1, 0, 0, 0, 0, -9, 1, 0, 0, 0, 0, 0, -11, 1, 0, 0, 0, 0, 0, 0, -13, 1, 0, 0, 0, 0, 0, 0, 0, -15, 1, 0, 0, 0, 0, 0, 0, 0, 0, -17, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, -19, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -21, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -23, 1
(list; table; graph; listen)
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OFFSET
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0,5
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COMMENT
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Inverse of A112292. Similar results can be obtained for higher factorials.
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EXAMPLE
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Triangle begins
1;
-1,1;
0,-3,1;
0,0,-5,1;
0,0,0,-7,1;
0,0,0,0,-9,1;
0,0,0,0,0,-11,1;
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CROSSREFS
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Cf. A094587.
Sequence in context: A144452 A058865 A115090 this_sequence A110517 A091925 A034370
Adjacent sequences: A112292 A112293 A112294 this_sequence A112296 A112297 A112298
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KEYWORD
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sign,tabl
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AUTHOR
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Paul Barry (pbarry(AT)wit.ie), Sep 01 2005
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