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Search: id:A166956
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A166956 a(n)= (A000079=1,2,4,8,) - (A010684=period 2:repeat 1,3). +0
3
0, -1, 3, 5, 15, 29, 63, 125, 255, 509, 1023, 2045, 4095, 8189 (list; graph; listen)
OFFSET

0,3

COMMENT

Main diagonal: 0,4,8,16,32,64,=0,A020707=4*A131577=2*A155559. See submitted baguenaudier A166920.

FORMULA

Binomial transform of (from Jacobsthal-Lucas) 0,A014551(n+1) signed = 0,-1,5,-7,17,-31,.

CROSSREFS

Sequence in context: A003536 A118173 A079450 this_sequence A048738 A018454 A126087

Adjacent sequences: A166953 A166954 A166955 this_sequence A166957 A166958 A166959

KEYWORD

uned,sign

AUTHOR

Paul Curtz (bpcrtz(AT)free.fr), Oct 25 2009

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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