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 A030657 Parity of digits of Pi. 7
 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, 0, 1, 1, 1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 0, 0, 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Zak Seidov, Table of n, a(n) for n = 1..10000 [a(10000)=1 corrected by Georg Fischer, Jun 22 2020] FORMULA a(n) = A000035(A000796(n)). - Omar E. Pol, Oct 26 2013 MATHEMATICA s = First[RealDigits[N[Pi, 1000]]]; aa = {}; Do[If[OddQ[s[[n]]], AppendTo[aa, 1], AppendTo[aa, 0]], {n, 1, Length[s]}]; aa (* Artur Jasinski, Mar 05 2010 *) s= RealDigits[N[Pi, 10000]][[1]]; Table[{n, Mod[s[[n]], 2]}, {n, 10000}](* this gives b-file *)(* Zak Seidov, Oct 05 2011*) CROSSREFS Cf. A173999, A174000. Sequence in context: A030302 A051023 A247795 * A249066 A176178 A267778 Adjacent sequences:  A030654 A030655 A030656 * A030658 A030659 A030660 KEYWORD nonn,base,easy AUTHOR EXTENSIONS More terms from Simon Plouffe. STATUS approved

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Last modified September 26 09:15 EDT 2021. Contains 347664 sequences. (Running on oeis4.)