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A132954 Period 6: repeat 1, 2, 4, -1, -2, -4. +0
1
1, 2, 4, -1, -2, -4, 1, 2, 4, -1, -2, -4, 1, 2, 4, -1, -2, -4, 1, 2, 4, -1, -2, -4, 1, 2, 4, -1, -2, -4, 1, 2, 4, -1, -2, -4, 1, 2, 4, -1, -2, -4, 1, 2, 4, -1, -2, -4, 1, 2, 4, -1, -2, -4, 1, 2, 4, -1, -2, -4, 1, 2, 4, -1, -2, -4 (list; graph; listen)
OFFSET

0,2

FORMULA

a(n)=(1/6)*{-5*(n mod 6)+2*[(n+1) mod 6]+[(n+2) mod 6]+5*[(n+3) mod 6]-2*[(n+4) mod 6]-[(n+5) mod 6]} - Paolo P. Lava (ppl(AT)spl.at), Nov 30 2007

CROSSREFS

Adjacent sequences: A132951 A132952 A132953 this_sequence A132955 A132956 A132957

Sequence in context: A050979 A053450 A124911 this_sequence A069705 A106645 A115314

KEYWORD

sign

AUTHOR

Paul Curtz (bpcrtz(AT)free.fr), Nov 19 2007

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Last modified October 7 14:39 EDT 2008. Contains 144666 sequences.


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