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-63,1

Please, see A271880.

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

Eric Weisstein's World of Mathematics, Evil Number

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

2.1662226837135239447205374059348666722438057607393814453472999851...E-64

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

Cf. A100061, A100062, A271880.

Sequence in context: A079641 A222864 A232433 * A182729 A260885 A075181

Adjacent sequences: A271878 A271879 A271880 * A271882 A271883 A271884

nonn,cons,base

Stanislav Sykora, Apr 16 2016

approved