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A021081 Decimal expansion of 1/77. 0
0, 1, 2, 9, 8, 7, 0, 1, 2, 9, 8, 7, 0, 1, 2, 9, 8, 7, 0, 1, 2, 9, 8, 7, 0, 1, 2, 9, 8, 7, 0, 1, 2, 9, 8, 7, 0, 1, 2, 9, 8, 7, 0, 1, 2, 9, 8, 7, 0, 1, 2, 9, 8, 7, 0, 1, 2, 9, 8, 7, 0, 1, 2, 9, 8, 7, 0, 1, 2, 9, 8, 7, 0, 1, 2, 9, 8, 7, 0, 1, 2, 9, 8, 7, 0, 1, 2, 9, 8, 7, 0, 1, 2, 9, 8, 7, 0, 1, 2 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..98.

FORMULA

From Chai Wah Wu, Jun 05 2016: (Start)

a(n) = a(n-1) - a(n-3) + a(n-4) for n > 3.

G.f.: x*(1 + x + 7*x^2)/(1 - x + x^3 - x^4). (End)

CROSSREFS

Sequence in context: A274195 A021975 A192599 * A018799 A076219 A077601

Adjacent sequences:  A021078 A021079 A021080 * A021082 A021083 A021084

KEYWORD

nonn,easy,cons

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified November 16 17:39 EST 2018. Contains 317275 sequences. (Running on oeis4.)