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A143845 See Comments line. 1
0, 8, 12, 14, 15, 7, 3, 1, 0, 8, 12, 14, 15, 7, 3, 1, 0, 8, 12, 14, 15, 7, 3, 1, 0, 8, 12, 14, 15, 7, 3, 1, 0, 8, 12, 14, 15, 7, 3, 1, 0, 8, 12, 14, 15, 7, 3, 1, 0, 8, 12, 14, 15, 7, 3, 1, 0, 8, 12, 14, 15, 7, 3, 1, 0, 8, 12, 14, 15, 7, 3, 1, 0, 8, 12, 14, 15, 7, 3, 1, 0, 8, 12, 14, 15, 7, 3, 1, 0, 8, 12, 14, 15, 7, 3, 1 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

Convert the following binary numbers to base 10:

0000

1000

1100

1110

1111

0111

0011

0001

0000

1000

etc.

Has period 8.

LINKS

Table of n, a(n) for n=0..95.

FORMULA

G.f.: x(x+2)(4+x^2)/((1-x)(1+x^4)). [From R. J. Mathar, Sep 04 2008]

a(n)=(1/56)*{22*(n mod 8)+29*[(n+1) mod 8]+43*[(n+2) mod 8]+71*[(n+3) mod 8]+8*[(n+4) mod 8]+[(n+5) mod 8]-13*[(n+6) mod 8]-41*[(n+7) mod 8]}, with n>=0 [From Paolo P. Lava, Sep 19 2008]

CROSSREFS

Cf. A117589.

Sequence in context: A143813 A290135 A225533 * A270888 A281014 A048868

Adjacent sequences:  A143842 A143843 A143844 * A143846 A143847 A143848

KEYWORD

nonn

AUTHOR

Cassandra (ca947(AT)nyu.edu), Sep 03 2008

EXTENSIONS

Edited by N. J. A. Sloane, Sep 03 2008

STATUS

approved

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Last modified April 5 03:52 EDT 2020. Contains 333238 sequences. (Running on oeis4.)