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Search: id:A127248
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| A127248 |
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Triangle whose k-th column is generated by (1-A010060(1+k)*x)*x^k. |
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+0
4
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| 1, -1, 1, 0, -1, 1, 0, 0, 0, 1, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, -1, 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; listen)
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OFFSET
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0,1
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COMMENT
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Inverse is A127247. Row sums are 1-A010060(n).
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EXAMPLE
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Triangle begins
1,
-1, 1,
0, -1, 1,
0, 0, 0, 1,
0, 0, 0, -1, 1,
0, 0, 0, 0, 0, 1,
0, 0, 0, 0, 0, 0, 1,
0, 0, 0, 0, 0, 0, -1, 1,
0, 0, 0, 0, 0, 0, 0, -1, 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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Adjacent sequences: A127245 A127246 A127247 this_sequence A127249 A127250 A127251
Sequence in context: A090174 A165556 A127243 this_sequence A116938 A105589 A097806
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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 10 2007
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