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Search: id:A134012
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| A134012 |
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Period 5: repeat 1, 6, 11, 6, 1. |
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+0
1
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| 1, 6, 11, 6, 1, 1, 6, 11, 6, 1, 1, 6, 11, 6, 1, 1, 6, 11, 6, 1, 1, 6, 11, 6, 1, 1, 6, 11, 6, 1, 1, 6, 11, 6, 1, 1, 6, 11, 6, 1, 1, 6, 11, 6, 1, 1, 6, 11, 6, 1, 1, 6, 11, 6, 1
(list; graph; listen)
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OFFSET
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0,2
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FORMULA
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a(n)=(1/2)*{(n mod 5)+3*[(n+1) mod 5]+3*[(n+2) mod 5]-[(n+3) mod 5]-[(n+4) mod 5]}, with n>=0 - Paolo P. Lava (ppl(AT)spl.at), Jan 25 2008
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PROGRAM
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(PARI) a(n)=11-5*abs(n%5-2) [From Jaume Oliver Lafont (joliverlafont(AT)gmail.com), Aug 28 2009]
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CROSSREFS
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Sequence in context: A100129 A009443 A106540 this_sequence A103704 A135998 A015870
Adjacent sequences: A134009 A134010 A134011 this_sequence A134013 A134014 A134015
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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), Jan 10 2008
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