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A084102
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Inverse binomial transform of A084101.
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8
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1, 2, -2, 0, 4, -8, 8, 0, -16, 32, -32, 0, 64, -128, 128, 0, -256, 512, -512, 0, 1024, -2048, 2048, 0, -4096, 8192, -8192, 0, 16384, -32768, 32768, 0, -65536, 131072, -131072, 0, 262144, -524288, 524288, 0, -1048576, 2097152, -2097152, 0, 4194304, -8388608, 8388608, 0, -16777216, 33554432
(list;
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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The sequence 2, -2, 0, 4, -8, 8, 0, -16, 32, -32, 0, 64, -128, 128, 0,.. (without the leading 1) is the Lucas V(-2,2) sequence. - R. J. Mathar, Jan 08 2013
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LINKS
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Table of n, a(n) for n=0..49.
Wikipedia, Lucas sequence
Index entries for Lucas sequences
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FORMULA
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G.f.: (1+2*x)^2/(1+2*x+2*x^2). [From Paul D. Hanna, Nov 05 2009]
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CROSSREFS
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Yet another variation on A009545.
Sequence in context: A108520 A099087 A009545 * A221609 A160125 A151868
Adjacent sequences: A084099 A084100 A084101 * A084103 A084104 A084105
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KEYWORD
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sign,easy
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AUTHOR
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Paul Barry, May 15 2003
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STATUS
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approved
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