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A224836
First occurrence of n consecutive n's in the decimal expansion of Khinchin's constant.
0
9, 42, 1799, 494, 5760
OFFSET
1,1
COMMENTS
Earls sequence for Khinchin.
LINKS
Eric Weisstein's World of Mathematics, Earls Sequence
Eric Weisstein's World of Mathematics, Khinchin's Constant Digits
EXAMPLE
1 first occurs at position 9 after the decimal point.
22 first occurs starting at position 42.
333 first occurs starting at position 1799.
MATHEMATICA
With[{k=RealDigits[Khinchin, 10, 6000][[1]]}, Flatten[Table[ SequencePosition[ k, PadRight[{}, n, n], 1][[All, 1]], {n, 5}]]]-1 (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, Feb 17 2020 *)
CROSSREFS
Cf. A002210 (decimal expansion of Khinchin's constant).
Sequence in context: A074443 A221425 A007227 * A195975 A185918 A116015
KEYWORD
nonn,base,hard,more
AUTHOR
Eric W. Weisstein, Jul 21 2013
STATUS
approved