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Search: id:A130657
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| A130657 |
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Periodic (7 terms) 1 1 1 1 0 0 0. |
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+0
1
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| 1, 1, 1, 1, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0
(list; graph; listen)
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OFFSET
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0,1
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FORMULA
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u(n)=u(n+1)=u(n+2)=u(n+3)=1, u(n+4)=u(n+5)=u(n+6)=0 .
a(n)=(1/147)*{-17*(n mod 7)+4*[(n+1) mod 7]+4*[(n+2) mod 7]+25*[(n+3) mod 7]+4*[(n+4) mod 7]+4*[(n+5) mod 7]+4*[(n+6) mod 7]}, with n>=0. - Paolo P. Lava (ppl(AT)spl.at), Jul 18 2007
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CROSSREFS
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Sequence in context: A129564 A025447 A131078 this_sequence A084846 A130093 A103368
Adjacent sequences: A130654 A130655 A130656 this_sequence A130658 A130659 A130660
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KEYWORD
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nonn
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AUTHOR
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Paul Curtz (bpcrtz(AT)free.fr), Jun 21 2007
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