A271881 - OEIS

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A271881

Decimal expansion of the difference between 1/5 and the probability that a random real number is evil.

4

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

(list; constant; graph; refs; listen; history; text; internal format)

OFFSET

-63,1

COMMENTS

Please see A271880.

LINKS

Stanislav Sykora, Table of n, a(n) for n = -63..2000

Eric Weisstein's World of Mathematics, Evil Number.

FORMULA

Equals 1/5 - A100061(666)/A100062(666).

EXAMPLE

2.1662226837135239447205374059348666722438057607393814453472999851...*10^-64

MATHEMATICA

RealDigits[1/5 - SeriesCoefficient[(1 - x^9)/(x^10 - 10 x + 9), {x, 0, 665}], 10, 120][[1]] (* Amiram Eldar, May 24 2023 *)

PROG

(PARI) 0.2 - Vec(Ser((1-x^9)/(x^10-10*x+9), x, 666))[666]

CROSSREFS

Cf. A100061, A100062, A271880.

Sequence in context: A364506 A222864 A232433 * A182729 A260885 A075181

Adjacent sequences: A271878 A271879 A271880 * A271882 A271883 A271884

KEYWORD

nonn,cons,base

AUTHOR

Stanislav Sykora, Apr 16 2016

STATUS

approved