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 A229186 Beginning position of n in the decimal expansion of the Champernowne constant. 2
 11, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 1, 16, 18, 20, 22, 24, 26, 28, 30, 15, 34, 2, 38, 40, 42, 44, 46, 48, 50, 17, 37, 56, 3, 60, 62, 64, 66, 68, 70, 19, 39, 59, 78, 4, 82, 84, 86, 88, 90, 21, 41, 61, 81, 100, 5, 104, 106, 108, 110, 23 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 COMMENTS Ignoring the initial 0 to the left of the decimal point. Same as A031297 but including the a(0) term. LINKS Eric W. Weisstein, Table of n, a(n) for n = 0..999 Eric Weisstein's World of Mathematics, Champernowne Constant Digits Eric Weisstein's World of Mathematics, Constant Digit Scanning PROG (Python) from itertools import count, islice def agen(): k, chap = 1, ".1" for n in count(0): target = str(n) while chap.find(target) == -1: k += 1; chap += str(k) yield chap.find(target) print(list(islice(agen(), 70))) # Michael S. Branicky, Oct 06 2022 CROSSREFS Cf. A033307 (decimal expansion of the Champernowne constant). Cf. A072290 (number of digits in the decimal expansion of the Champernowne constant that must be scanned to encounter all n-digit strings). Cf. A031297 (same sequence but omitting the a(0) term). Sequence in context: A010197 A010196 A039617 * A214676 A010198 A307245 Adjacent sequences: A229183 A229184 A229185 * A229187 A229188 A229189 KEYWORD nonn,base,less AUTHOR Eric W. Weisstein, Sep 15 2013 STATUS approved

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Last modified February 28 19:33 EST 2024. Contains 370400 sequences. (Running on oeis4.)