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A132401 Period 8: repeat 0, 0, 1, 1, 2, -1, -1, -2. 0
0, 0, 1, 1, 2, -1, -1, -2, 0, 0, 1, 1, 2, -1, -1, -2, 0, 0, 1, 1, 2, -1, -1, -2, 0, 0, 1, 1, 2, -1, -1, -2, 0, 0, 1, 1, 2, -1, -1, -2, 0, 0, 1, 1, 2, -1, -1, -2, 0, 0, 1, 1, 2, -1, -1, -2, 0, 0, 1, 1, 2, -1, -1, -2, 0, 0, 1, 1, 2, -1, -1, -2, 0, 0, 1, 1, 2, -1, -1, -2, 0, 0, 1, 1, 2, -1, -1, -2, 0, 0, 1, 1, 2, -1, -1, -2, 0, 0, 1, 1, 2, -1, -1, -2, 0, 0, 1, 1, 2 (list; graph; refs; listen; history; internal format)
OFFSET

0,5

FORMULA

a(n)=(1/8)*{-2*(n mod 8)+[(n+1) mod 8]+3*[(n+3) mod 8]-[(n+4) mod 8]-[(n+6) mod 8]}, with n>=0. - Paolo P. Lava (paoloplava(AT)gmail.com), Nov 19 2007

CROSSREFS

Cf. A132367.

Sequence in context: A114781 A083890 A000989 * A104273 A051778 A057554

Adjacent sequences:  A132398 A132399 A132400 * A132402 A132403 A132404

KEYWORD

sign

AUTHOR

Paul Curtz (bpcrtz(AT)free.fr), Nov 12 2007

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Last modified February 16 02:30 EST 2012. Contains 205860 sequences.