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A117941
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Inverse of number triangle A117939.
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3
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1, -2, 1, -5, 2, 1, -2, 0, 0, 1, 4, -2, 0, -2, 1, 10, -4, -2, -5, 2, 1, -5, 0, 0, 2, 0, 0, 1, 10, -5, 0, -4, 2, 0, -2, 1, 25, -10, -5, -10, 4, 2, -5, 2, 1, -2, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 4, -2, 0, 0, 0, 0, 0, 0, 0, -2, 1, 10, -4, -2, 0, 0, 0, 0, 0, 0, -5, 2, 1, 4, 0, 0, -2, 0, 0, 0, 0, 0, -2, 0, 0, 1, -8, 4, 0, 4, -2, 0, 0, 0, 0, 4, -2, 0, -2, 1
(list; table; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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COMMENTS
| Row sums are A117942. A117941 mod 2=A117944.
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EXAMPLE
| Triangle begins
1,
-2, 1,
-5, 2, 1,
-2, 0, 0, 1,
4, -2, 0, -2, 1,
10, -4, -2, -5, 2, 1,
-5, 0, 0, 2, 0, 0, 1,
10, -5, 0, -4, 2, 0, -2, 1,
25, -10, -5, -10, 4, 2, -5, 2, 1
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CROSSREFS
| Sequence in context: A140879 A006556 A108790 * A134566 A128694 A088421
Adjacent sequences: A117938 A117939 A117940 * A117942 A117943 A117944
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KEYWORD
| sign,tabl
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AUTHOR
| Paul Barry (pbarry(AT)wit.ie), Apr 05 2006
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