Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A143845
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A143845 See Comments line. +0
2
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; listen)
OFFSET

0,2

COMMENT

Convert the following binary numbers to base 10:

0000

1000

1100

1110

1111

0111

0011

0001

0000

1000

etc.

Has period 8.

FORMULA

G.f.: x(x+2)(4+x^2)/((1-x)(1+x^4)). [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), 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 (ppl(AT)spl.at), Sep 19 2008]

CROSSREFS

Cf. A117589.

Sequence in context: A014453 A160862 A152077 this_sequence A048868 A106669 A108979

Adjacent sequences: A143842 A143843 A143844 this_sequence A143846 A143847 A143848

KEYWORD

nonn

AUTHOR

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

EXTENSIONS

Edited by N. J. A. Sloane (njas(AT)research.att.com), Sep 03 2008

page 1

Search completed in 0.002 seconds

Lookup | Welcome | Find friends | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
More pages | Superseeker | Maintained by N. J. A. Sloane (njas@research.att.com)

Last modified December 19 12:46 EST 2009. Contains 171024 sequences.


AT&T Labs Research