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A021179 Decimal expansion of 1/175. 0
0, 0, 5, 7, 1, 4, 2, 8, 5, 7, 1, 4, 2, 8, 5, 7, 1, 4, 2, 8, 5, 7, 1, 4, 2, 8, 5, 7, 1, 4, 2, 8, 5, 7, 1, 4, 2, 8, 5, 7, 1, 4, 2, 8, 5, 7, 1, 4, 2, 8, 5, 7, 1, 4, 2, 8, 5, 7, 1, 4, 2, 8, 5, 7, 1, 4, 2, 8, 5, 7, 1, 4, 2, 8, 5, 7, 1, 4, 2, 8, 5, 7, 1, 4, 2, 8, 5, 7, 1, 4, 2, 8, 5, 7, 1, 4, 2, 8, 5 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

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

FORMULA

Equals A021032 minus 3/100. [From R. J. Mathar, Oct 25 2008]

a(n)=(1/30)*{19*(n mod 6)-6*[(n+1) mod 6]+39*[(n+2) mod 6]-[(n+3) mod 6]+24*[(n+4) mod 6]-21*[(n+5) mod 6]}-2*[C(2*n,n) mod 2]-8*{C[(n+1)^2,n+3] mod 2}, with n>=0 [From Paolo P. Lava, Sep 24 2009]

From Chai Wah Wu, Sep 21 2016: (Start)

a(n) = a(n-1) - a(n-3) + a(n-4) for n > 5.

G.f.: x^2*(-8*x^3 + 6*x^2 - 2*x - 5)/(x^4 - x^3 + x - 1). (End)

CROSSREFS

Sequence in context: A217173 A246952 A323386 * A153613 A318375 A023571

Adjacent sequences:  A021176 A021177 A021178 * A021180 A021181 A021182

KEYWORD

nonn,cons

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified July 30 10:27 EDT 2021. Contains 346359 sequences. (Running on oeis4.)