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Search: id:A131372
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| A131372 |
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Periodic 7: repeat 1, -1, 0, 1, 0, -1, 1. |
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+0
1
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| 1, -1, 0, 1, 0, -1, 1, 1, -1, 0, 1, 0, -1, 1, 1, -1, 0, 1, 0, -1, 1, 1, -1, 0, 1, 0, -1, 1, 1, -1, 0, 1, 0, -1, 1, 1, -1, 0, 1, 0, -1, 1, 1, -1, 0, 1, 0, -1, 1, 1, -1, 0, 1, 0, -1, 1
(list; graph; listen)
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OFFSET
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0,1
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FORMULA
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a(n)=(1/147)*{(n mod 7)-41*[(n+1) mod 7]+22*[(n+2) mod 7]+22*[(n+3) mod 7]-20*[(n+4) mod 7]-20*[(n+5) mod 7]+43*[(n+6) mod 7]}, with n>=0 - Paolo P. Lava (ppl(AT)spl.at), Oct 24 2007
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CROSSREFS
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Cf. A098457 (1, 1, 0, 1, 0, 1, 1).
Sequence in context: A093719 A065251 A039982 this_sequence A098457 A137161 A077050
Adjacent sequences: A131369 A131370 A131371 this_sequence A131373 A131374 A131375
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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), Oct 01 2007
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