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Search: id:A115717
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| 1, 0, 1, 3, -1, 1, 0, 0, 0, 1, 0, 4, -1, -1, 1, 0, 0, 0, 0, 0, 1, 12, -4, 4, 0, -1, -1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 4, 0, 0, -1, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 16, -4, -4, 4, 0, 0, 0, -1, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 4, 0, 0, 0, 0, -1, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 48, -16, 16, 0, -4, -4, 4, 0, 0, 0, 0, 0
(list; table; graph; listen)
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OFFSET
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0,4
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COMMENT
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Product of (1-x,x) and number triangle A115715. Row sums are A115716.
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EXAMPLE
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Triangle begins
1,
0, 1,
3, -1, 1,
0, 0, 0, 1,
0, 4, -1, -1, 1,
0, 0, 0, 0, 0, 1,
12, -4, 4, 0, -1, -1, 1,
0, 0, 0, 0, 0, 0, 0, 1,
0, 0, 0, 4, 0, 0, -1, -1, 1,
0, 0, 0, 0, 0, 0, 0, 0, 0, 1,
0, 16, -4, -4, 4, 0, 0, 0, -1, -1, 1,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1,
0, 0, 0, 0, 0, 4, 0, 0, 0, 0, -1, -1, 1,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1,
48,-16, 16, 0, -4, -4, 4, 0, 0, 0, 0, 0, -1, -1, 1
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CROSSREFS
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Sequence in context: A006837 A066746 A074063 this_sequence A115718 A125208 A122776
Adjacent sequences: A115714 A115715 A115716 this_sequence A115718 A115719 A115720
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KEYWORD
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easy,sign,tabl
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AUTHOR
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Paul Barry (pbarry(AT)wit.ie), Jan 29 2006
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