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Differences between positions of 0's in binary expansion of Pi.
3

%I #17 Nov 18 2018 10:07:48

%S 1,2,1,2,1,1,1,7,3,2,2,2,1,1,2,1,1,2,1,1,1,2,3,2,1,1,3,1,1,1,2,1,1,3,

%T 2,1,3,1,1,2,1,3,1,1,3,1,3,1,1,2,2,1,1,2,4,1,1,1,1,1,1,3,4,1,1,1,1,4,

%U 1,3,2,1,1,2,1,2,2,1,2,1,1,1,1,1,2,1,2,1,4,1,1,1,1,2,1,1,2,1,1,2,2,1,3,1,6,1,3,1,1,4,2,1

%N Differences between positions of 0's in binary expansion of Pi.

%F a(n) = A320300(n+1) - A320300(n) (this is about Pi/4, but they are essentially the same).

%t Differences[Flatten[Position[RealDigits[Pi, 2, 200][[1]], 0]]] (* _Alonso del Arte_, Oct 11 2018 *)

%Y Cf. A320300, A320302.

%K nonn,base

%O 1,2

%A _Jack Zhang_, Oct 10 2018