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A131757 Period 10: repeat 3, 3, 3, -7, 3, 3, -7, 3, 3, -7. 0
3, 3, 3, -7, 3, 3, -7, 3, 3, -7, 3, 3, 3, -7, 3, 3, -7, 3, 3, -7, 3, 3, 3, -7, 3, 3, -7, 3, 3, -7, 3, 3, 3, -7, 3, 3, -7, 3, 3, -7, 3, 3, 3, -7, 3, 3, -7, 3, 3, -7, 3, 3, 3, -7, 3, 3, -7, 3, 3, -7, 3, 3, 3, -7, 3, 3, -7, 3, 3, -7, 3, 3, 3, -7, 3, 3, -7, 3, 3, -7, 3, 3, 3, -7, 3, 3, -7, 3, 3, -7, 3, 3, 3, -7, 3, 3, -7, 3, 3, -7, 3, 3, 3, -7, 3, 3, -7, 3, 3, -7, 3 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..110.

FORMULA

a(n)=-(n mod 10)+[(n+1) mod 10]-[(n+3) mod 10]+[(n+4) mod 10]-[(n+6) mod 10]+[(n+7) mod 10], with n>=0. - Paolo P. Lava, Oct 08 2007

CROSSREFS

Cf. A010705, A096915.

Sequence in context: A061021 A126608 A088195 * A214834 A135087 A084038

Adjacent sequences:  A131754 A131755 A131756 * A131758 A131759 A131760

KEYWORD

sign

AUTHOR

Paul Curtz, Oct 04 2007

STATUS

approved

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Last modified May 20 16:45 EDT 2013. Contains 225464 sequences.