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 A004593 Expansion of e in base 2. 20
 1, 0, 1, 0, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 0, 0, 1, 0, 1, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1 (list; constant; graph; refs; listen; history; text; internal format)
 OFFSET 2,1 COMMENTS The first 19 digits are a reverse copy of the 7th through 25th digits of the binary expansion of Pi (A004601). - Dan Graham, May 03 2015 LINKS Vincenzo Librandi, Table of n, a(n) for n = 2..2000 EXAMPLE 10.10110111111000010... MATHEMATICA First@ RealDigits[N[E, 120], 2] (* Michael De Vlieger, May 05 2015 *) PROG (PARI) a(n)=exp(1)*2^(n-3)\1%2 \\ Charles R Greathouse IV, May 05 2015 CROSSREFS Expansion of e in base b: this sequence (b=2), A004594 (b=3), A004595 (b=4), A004596 (b=5), A004597 (b=6), A004598 (b=7), A004599 (b=8), A004600 (b=9), A001113 (b=10), A170873 (b=16). - Jason Kimberley, Dec 05 2012 Sequence in context: A110247 A114607 A123110 * A094934 A054354 A156728 Adjacent sequences:  A004590 A004591 A004592 * A004594 A004595 A004596 KEYWORD nonn,cons,base AUTHOR STATUS approved

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Last modified October 21 04:44 EDT 2018. Contains 316404 sequences. (Running on oeis4.)