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A071981 Parity of the digits of e in base 10. 2
0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 1, 0, 0, 0, 0, 1, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 1, 0, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 0, 0, 1, 1, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0 (list; graph; refs; listen; history; text; internal format)
OFFSET

1

LINKS

Table of n, a(n) for n=1..105.

FORMULA

a(n) = A000035(A001113(n)). - Omar E. Pol, Oct 28 2013

MATHEMATICA

If[EvenQ[#], 0, 1]&/@RealDigits[E, 10, 120][[1]] (* Harvey P. Dale, Dec 11 2012 *)

PROG

(PARI) \p200 for(n=0, 150, print1((1-(-1)^floor(10^n*exp(1)))/2, ", "))

CROSSREFS

Cf. A001113, A030657.

Sequence in context: A030301 A316341 A284901 * A280910 A305816 A241979

Adjacent sequences:  A071978 A071979 A071980 * A071982 A071983 A071984

KEYWORD

nonn,base

AUTHOR

Benoit Cloitre, Jun 25 2002

STATUS

approved

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Last modified November 13 23:48 EST 2019. Contains 329106 sequences. (Running on oeis4.)