%I #18 Aug 28 2020 03:06:15
%S -2,3,-3,4,4,-7,4,-1,-2,2,3,1,-2,2,-6,-1,1,5,-4,2,-4,4,-2,-1,0,5,-5,
%T -1,5,2,-4,-5,2,6,0,-4,-3,8,-2,-6,5,3,-6,6,0,-6,4,-2,-4,-1,5,3,-6,-2,
%U 9,-2,-3,5,-5,0,1,4,-7,1,-3,7,1,-7,5,-2,-4,6,-4,6,-2,-4,-2,8,1,0,-1,-2,-4,6,-8,3,1,4,-6,3,-2,1,-2,-1,0,6,-7,6,1,2
%N Differences between adjacent digits of Pi.
%C a(A049514(n)) = 0. - _Reinhard Zumkeller_, Mar 12 2015
%H Reinhard Zumkeller, <a href="/A095916/b095916.txt">Table of n, a(n) for n = 1..1000</a>
%H <a href="/index/Ph#Pi314">Index entries for sequences related to the number Pi</a>
%t b = RealDigits[N[Pi, 1000]]; b = First[b]; a = {}; Do[k = b[[n + 1]] - b[[n]]; AppendTo[a, k], {n, 1, 999}]; a (* _Artur Jasinski_, Mar 16 2008 *)
%t Differences[RealDigits[Pi,10,120][[1]]] (* _Harvey P. Dale_, Feb 10 2013 *)
%o (Haskell)
%o a095916 n = a095916_list !! (n-1)
%o a095916_list = zipWith (-) (tail a000796_list) a000796_list
%o -- _Reinhard Zumkeller_, Mar 12 2015
%Y Cf. A000796, A138345.
%Y Cf. A049514, A030658, A193496.
%K base,sign
%O 1,1
%A Herman Jamke (hermanjamke(AT)fastmail.fm), Jul 13 2004