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Search: id:A124841
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| A124841 |
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Inverse binomial transform of A005614, the rabbit sequence: (1, 0, 1, 1, 0...). |
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+0
2
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| 1, -1, 2, -3, 3, 0, -10, 35, -90, 200, -406
(list; graph; listen)
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OFFSET
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1,3
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FORMULA
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Take difference rows of A005614: 1, 0, 1, 1, 0, 1, 0, 1, 1, 0, 1...; and extract the left border.
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EXAMPLE
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Given 1, 0, 1, 1, 0...take finite difference rows:
1, 0, 1, 1, 0,...
_-1, 1, 0, -1,...
___ 2, -1, -1,...
_____ -3, 0,...
_________3,...
Left border becomes the sequence.
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CROSSREFS
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Cf. A124842.
Sequence in context: A121474 A138003 A057682 this_sequence A085355 A103120 A021433
Adjacent sequences: A124838 A124839 A124840 this_sequence A124842 A124843 A124844
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KEYWORD
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sign
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AUTHOR
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Gary W. Adamson (qntmpkt(AT)yahoo.com), Nov 10 2006
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