A021026 - OEIS

A021026

Decimal expansion of 1/22.

0, 4, 5, 4, 5, 4, 5, 4, 5, 4, 5, 4, 5, 4, 5, 4, 5, 4, 5, 4, 5, 4, 5, 4, 5, 4, 5, 4, 5, 4, 5, 4, 5, 4, 5, 4, 5, 4, 5, 4, 5, 4, 5, 4, 5, 4, 5, 4, 5, 4, 5, 4, 5, 4, 5, 4, 5, 4, 5, 4, 5, 4, 5, 4, 5, 4, 5, 4, 5, 4, 5, 4, 5, 4, 5, 4, 5, 4, 5, 4, 5, 4, 5, 4, 5, 4, 5, 4, 5, 4, 5, 4, 5, 4, 5, 4, 5, 4, 5

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OFFSET

0,2

LINKS

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

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

FORMULA

G.f.: x*(4+5*x)/(1-x^2). [From Jaume Oliver Lafont, Mar 20 2009]

MATHEMATICA

Join[{0}, RealDigits[1/22, 10, 120][[1]]] (* or *) CoefficientList[ Series[ x (4+5x)/(1-x^2), {x, 0, 120}], x] (* Harvey P. Dale, Apr 29 2011 *)

CROSSREFS

Cf. A010710. [From Jaume Oliver Lafont, Mar 20 2009]