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A021389 Decimal expansion of 1/385. 0
0, 0, 2, 5, 9, 7, 4, 0, 2, 5, 9, 7, 4, 0, 2, 5, 9, 7, 4, 0, 2, 5, 9, 7, 4, 0, 2, 5, 9, 7, 4, 0, 2, 5, 9, 7, 4, 0, 2, 5, 9, 7, 4, 0, 2, 5, 9, 7, 4, 0, 2, 5, 9, 7, 4, 0, 2, 5, 9, 7, 4, 0, 2, 5, 9, 7, 4, 0, 2, 5, 9, 7, 4, 0, 2, 5, 9, 7, 4, 0, 2, 5, 9, 7, 4, 0, 2, 5, 9, 7, 4, 0, 2, 5, 9, 7, 4, 0, 2 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

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

FORMULA

a(n)=(1/30)*{24*(n mod 6)+19*[(n+1) mod 6]-11*[(n+2) mod 6]-6*[(n+3) mod 6]-[(n+4) mod 6]+29*[(n+5) mod 6]}-4*[C(2*n,n) mod 2], with n>=0 [From Paolo P. Lava, Nov 11 2009]

MATHEMATICA

Join[{0, 0}, RealDigits[1/385, 10, 120][[1]]] (* or *) PadRight[{0}, 120, {4, 0, 2, 5, 9, 7}] (* Harvey P. Dale, Nov 04 2012 *)

CROSSREFS

Sequence in context: A198455 A339174 A018878 * A198429 A089578 A020852

Adjacent sequences:  A021386 A021387 A021388 * A021390 A021391 A021392

KEYWORD

nonn,cons

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified September 18 14:52 EDT 2021. Contains 347527 sequences. (Running on oeis4.)