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 A084187 First occurrence of exactly n 0's in the binary expansion of sqrt(2). 3
 2, 15, 63, 58, 9, 1003, 524, 454, 1303, 5335, 22472, 8882, 37469, 32279, 220311, 92988, 698343, 24002, 574131, 3333660, 5940559, 4079882, 8356569, 115885798, 76570753 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Next term after 76570753 is >200000000. - Ryan Propper, May 09 2006 LINKS Table of n, a(n) for n=1..25. EXAMPLE The binary expansion of sqrt(2) is 1.0110101000001..(A004539) and at position 9, there are five 0's, framed by 1's, so a(5)=9. MATHEMATICA With[{d=RealDigits[Sqrt[2], 2, 116*10^6][[1]]}, Flatten[Table[SequencePosition[d, Join[ {1}, PadRight[{}, n, 0], {1}], 1][[All, 1]], {n, 25}]]]+1 (* Harvey P. Dale, Dec 12 2022 *) CROSSREFS Cf. A084185, A084186. Cf. A233836. Sequence in context: A296661 A000181 A047146 * A267596 A119904 A271828 Adjacent sequences: A084184 A084185 A084186 * A084188 A084189 A084190 KEYWORD nonn,more,hard AUTHOR Ralf Stephan, May 18 2003 EXTENSIONS More terms from Ryan Propper, May 09 2006 STATUS approved

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Last modified September 21 18:37 EDT 2023. Contains 365503 sequences. (Running on oeis4.)