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A127251
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Inverse of number triangle A127249.
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2
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1, -2, 1, 2, -2, 1, 0, 0, 0, 1, 0, 0, 0, -2, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, -2, 1, 0, 0, 0, 0, 0, 0, 2, -2, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1
(list;
table;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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0,2
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COMMENTS
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Product of A127248 and A127244. Row sums are A127252.
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LINKS
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Table of n, a(n) for n=0..65.
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EXAMPLE
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Triangle begins
1,
-2, 1,
2, -2, 1,
0, 0, 0, 1,
0, 0, 0, -2, 1,
0, 0, 0, 0, 0, 1,
0, 0, 0, 0, 0, 0, 1,
0, 0, 0, 0, 0, 0, -2, 1,
0, 0, 0, 0, 0, 0, 2, -2, 1,
0, 0, 0, 0, 0, 0, 0, 0, 0, 1,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1
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CROSSREFS
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Sequence in context: A108804 A200227 A127249 * A063251 A060208 A004570
Adjacent sequences: A127248 A127249 A127250 * A127252 A127253 A127254
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KEYWORD
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sign,tabl
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AUTHOR
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Paul Barry, Jan 10 2007
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STATUS
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approved
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