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A180433 Binary string formed from the binary expansion of Pi by exchanging 0's and 1's. 4
0, 0, 1, 1, 0, 1, 1, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 0, 0, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 1, 0, 1, 1, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 1, 0, 1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 0 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Binary complement of A004601.
May be converted to a decimal number in several ways, depending on where the binary point is inserted: .0011011011110... = 1-Pi/4, 0.011011011110... = 2-Pi/2 (see A180434), 00.11011011110... = 4-Pi.
LINKS
MATHEMATICA
RealDigits[Pi, 2, 120][[1]]/.{1->0, 0->1} (* Harvey P. Dale, Apr 02 2015 *)
CROSSREFS
Sequence in context: A335617 A286807 A126564 * A358771 A165560 A358220
KEYWORD
base,cons,easy,nonn
AUTHOR
Jonathan Vos Post, Sep 05 2010
EXTENSIONS
Verified and edited by N. J. A. Sloane, Sep 28 2010
STATUS
approved

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Last modified March 2 08:00 EST 2024. Contains 370461 sequences. (Running on oeis4.)