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Search: id:A134348
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| 1, 1, 3, -1, 2, 7, 1, -3, 3, 15, -1, 4, -6, 4, 31, 1, -5, 10, -10, 5, 63, -1, 6, -15, 20, -15, 6, 127, 1, -7, 21, -35, 35, -21, 7, 255, -1, 8, -28, 56, -70, 56, -28, 8, 511, 1, -9, 36, -84, 126, -126, 84, -36, 9, 1023
(list; table; graph; listen)
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OFFSET
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0,3
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COMMENT
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Row sums = A046055: (1, 4, 8, 16, 32, 64,...).
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FORMULA
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Inverse binomial transform of triangle A134347.
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EXAMPLE
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First few rows of the triangle are:
1;
1, 3;
-1, 2, 7;
1, -3, 3, 15;
-1, 4, -6, 4, 31;
1, -5, 10, -10, 5, 63;
-1, 6, -15, 20, -15, 6, 127;
1, -7, 21, -35, 35, -21, 7, 255;
...
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CROSSREFS
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Cf. A134347, A046055.
Sequence in context: A010279 A024743 A024963 this_sequence A074305 A151855 A135338
Adjacent sequences: A134345 A134346 A134347 this_sequence A134349 A134350 A134351
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KEYWORD
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tabl,sign
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AUTHOR
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Gary W. Adamson (qntmpkt(AT)yahoo.com), Oct 21 2007
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