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 A138345 a(n) = -1 if (n+1)-st decimal digit of 1/Pi is smaller than n-th digit of 1/Pi, 0 if they are equal, 1 if larger. 4
 -1, 1, -1, -1, 1, -1, 0, -1, -1, 1, -1, 1, 1, -1, 1, 1, -1, 1, -1, 1, 0, -1, 1, -1, -1, 1, 1, -1, 1, -1, 1, 1, -1, -1, 1, -1, 1, 1, 1, -1, 1, -1, 1, -1, 1, 1, -1, 1, -1, 1, 1, 1, -1, -1, 1, -1, -1, 0, 1, 1, 1, 0, -1, 0, 1, 0, 1, -1, 1, 1, -1, -1, 1, 1, -1, 1, -1, -1, 1, -1, 1, 1, -1, 1, 0, 1, -1, -1, 1, 0, -1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, 1, 1 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS MATHEMATICA b = RealDigits[N[1/Pi, 1000]]; b = First[b]; a = {}; Do[k = b[[n + 1]] - b[[n]]; If[k < 0, AppendTo[a, -1], If[k == 0, AppendTo[a, 0], AppendTo[a, 1]]], {n, 1, 999}]; a (*Artur Jasinski*) Which[#[[2]]<#[[1]], -1, #[[2]]==#[[1]], 0, True, 1]&/@ Partition[ RealDigits[ 1/Pi, 10, 110][[1]], 2, 1] (* Harvey P. Dale, Aug 09 2013 *) CROSSREFS Cf. A049541, A138344. Sequence in context: A157972 A124897 A071035 * A014590 A015171 A014562 Adjacent sequences:  A138342 A138343 A138344 * A138346 A138347 A138348 KEYWORD sign,base AUTHOR Artur Jasinski, Mar 16 2008 STATUS approved

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Last modified May 25 19:58 EDT 2019. Contains 323576 sequences. (Running on oeis4.)