A021490 - OEIS

A021490

Decimal expansion of 1/486.

0, 0, 2, 0, 5, 7, 6, 1, 3, 1, 6, 8, 7, 2, 4, 2, 7, 9, 8, 3, 5, 3, 9, 0, 9, 4, 6, 5, 0, 2, 0, 5, 7, 6, 1, 3, 1, 6, 8, 7, 2, 4, 2, 7, 9, 8, 3, 5, 3, 9, 0, 9, 4, 6, 5, 0, 2, 0, 5, 7, 6, 1, 3, 1, 6, 8, 7, 2, 4, 2, 7, 9, 8, 3, 5, 3, 9, 0, 9, 4, 6, 5, 0, 2, 0, 5, 7, 6, 1, 3, 1, 6, 8, 7, 2, 4, 2, 7, 9

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OFFSET

0,3

LINKS

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

Index entries for linear recurrences with constant coefficients, signature (0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1).

FORMULA

From Chai Wah Wu, Aug 10 2020: (Start)

a(n) = a(n-27) for n > 27.

G.f.: -x^2*(5*x^25 + 6*x^24 + 4*x^23 + 9*x^22 + 9*x^20 + 3*x^19 + 5*x^18 + 3*x^17 + 8*x^16 + 9*x^15 + 7*x^14 + 2*x^13 + 4*x^12 + 2*x^11 + 7*x^10 + 8*x^9 + 6*x^8 + x^7 + 3*x^6 + x^5 + 6*x^4 + 7*x^3 + 5*x^2 + 2)/(x^27 - 1). (End)

MATHEMATICA

Join[{0, 0}, RealDigits[1/486, 10, 120][[1]]] (* Harvey P. Dale, Oct 11 2011 *)

CROSSREFS

Sequence in context: A104555 A140571 A078049 * A084258 A171016 A321205

Adjacent sequences: A021487 A021488 A021489 * A021491 A021492 A021493

KEYWORD

nonn,cons

AUTHOR

N. J. A. Sloane

STATUS

approved