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A021328 Decimal expansion of 1/324. 1
0, 0, 3, 0, 8, 6, 4, 1, 9, 7, 5, 3, 0, 8, 6, 4, 1, 9, 7, 5, 3, 0, 8, 6, 4, 1, 9, 7, 5, 3, 0, 8, 6, 4, 1, 9, 7, 5, 3, 0, 8, 6, 4, 1, 9, 7, 5, 3, 0, 8, 6, 4, 1, 9, 7, 5, 3, 0, 8, 6, 4, 1, 9, 7, 5, 3, 0, 8, 6, 4, 1, 9, 7, 5, 3, 0, 8, 6, 4, 1, 9, 7, 5, 3, 0, 8, 6, 4, 1, 9, 7, 5, 3, 0, 8, 6, 4, 1, 9 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

The nominal length of 1 second of latitude is 10000/324 m, that is 30.86419753086419753... m. - Jean-Fran├žois Alcover, Mar 10 2015

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..1000

FORMULA

a(n) = (1/450)*{133*(n mod 10)+133*[(n+1) mod 10]-317*[(n+2) mod 10]+178*[(n+3) mod 10]+133*[(n+4) mod 10]+133*[(n+5) mod 10]-317*[(n+6) mod 10]+178*[(n+7) mod 10]-92*[(n+8) mod 10]+268*[(n+9) mod 10]}-5*[C(2*n,n) mod 2], with n>=0. [Paolo P. Lava, Nov 10 2009]

G.f.: x^2*(5*x^8 + 7*x^7 + 9*x^6 + x^5 + 4*x^4 + 6*x^3 + 8*x^2 + 3)/(1 - x^9). - Chai Wah Wu, Jun 21 2016

EXAMPLE

0.00308641975308641975308641975308641975...

MATHEMATICA

PadLeft[First@#, Abs@Last@# + Length@First@#]&@RealDigits[N[1/324, 100]] (* Vincenzo Librandi, Jun 22 2016 *)

CROSSREFS

Sequence in context: A275975 A201665 A137204 * A178114 A107370 A201580

Adjacent sequences:  A021325 A021326 A021327 * A021329 A021330 A021331

KEYWORD

nonn,cons,easy

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified August 14 19:09 EDT 2020. Contains 336483 sequences. (Running on oeis4.)