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 A000455 Digits of powers of 2. (Formerly N0413) 3
 1, 2, 4, 8, 1, 6, 3, 2, 6, 4, 1, 2, 8, 2, 5, 6, 5, 1, 2, 1, 0, 2, 4, 2, 0, 4, 8, 4, 0, 9, 6, 8, 1, 9, 2, 1, 6, 3, 8, 4, 3, 2, 7, 6, 8, 6, 5, 5, 3, 6, 1, 3, 1, 0, 7, 2, 2, 6, 2, 1, 4, 4, 5, 2, 4, 2, 8, 8, 1, 0, 4, 8, 5, 7, 6, 2, 0, 9, 7, 1, 5, 2 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 COMMENTS The number 0.a(0)a(1)a(2)...=0.124816... is a rich (or disjunctive) number. - Robert FERREOL, Apr 01 2020 REFERENCES Archimedeans Problems Drive, Eureka, 11 (1949), 10. David Gale, Tracking the Automatic ANT And Other Mathematical Explorations, 1998, pp. 42-43. N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence). LINKS N. J. A. Sloane, Table of n, a(n) for n = 0..9999 MATHEMATICA 2^Range[0, 25] // IntegerDigits // Flatten (* Jean-François Alcover, Feb 08 2016 *) PROG (Scala) (List.fill(32)(2: BigInt)).scanLeft(1: BigInt)(_ * _).map(_.toString.toCharArray).flatten.map(_.toInt - 48) // Alonso del Arte, Mar 28 2020 CROSSREFS Cf. A000079. Sequence in context: A210026 A100880 A102256 * A282821 A317495 A317504 Adjacent sequences: A000452 A000453 A000454 * A000456 A000457 A000458 KEYWORD nonn,base,easy AUTHOR N. J. A. Sloane; entry revised by N. J. A. Sloane, Jun 10 2012 STATUS approved

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Last modified March 31 15:01 EDT 2023. Contains 361668 sequences. (Running on oeis4.)