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A131734 Hexaperiodic 0, 1, 0, 1, 0, -1 . 0
0, 1, 0, 1, 0, -1, 0, 1, 0, 1, 0, -1, 0, 1, 0, 1, 0, -1, 0, 1, 0, 1, 0, -1, 0, 1, 0, 1, 0, -1, 0, 1, 0, 1, 0, -1, 0, 1, 0, 1, 0, -1, 0, 1, 0, 1, 0, -1, 0, 1, 0, 1, 0, -1, 0, 1, 0, 1, 0, -1, 0, 1, 0, 1, 0, -1, 0, 1, 0, 1, 0, -1, 0, 1, 0, 1, 0, -1, 0, 1, 0, 1, 0, -1, 0, 1, 0, 1, 0, -1, 0, 1, 0, 1, 0, -1, 0, 1, 0, 1, 0, -1, 0, 1, 0, 1, 0, -1, 0, 1, 0, 1, 0, -1, 0, 1, 0, 1, 0 (list; graph; refs; listen; history; internal format)
OFFSET

0,1

FORMULA

a(n)=(1/45)*{-7*(n mod 6)+8*[(n+1) mod 6]+8*[(n+2) mod 6]-7*[(n+3) mod 6]+8*[(n+4) mod 6]-7*[(n+5) mod 6]}, with n>=0 - Paolo P. Lava (paoloplava(AT)gmail.com), Oct 02 2007

CROSSREFS

Sequence in context: A125122 A000035 A188510 * A134452 A073445 A179081

Adjacent sequences:  A131731 A131732 A131733 * A131735 A131736 A131737

KEYWORD

sign

AUTHOR

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

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Last modified February 14 14:07 EST 2012. Contains 205623 sequences.