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 A232191 A walk based on the digits of Pi (A000796). 0

%I #10 Nov 20 2013 20:01:08

%S 3,2,1,2,3,4,3,2,1,2,3,4,5,6,7,8,9,8,7,6,5,4,3,2,3,4,5,6,5,4,3,4,5,6,

%T 7,8,9,8,7,8,9,8,7,6,5,4,3,2,3,4,5,6,7,8,7,6,5,4,5,6,5,4,3,2,3,4,5,6,

%U 5,4,3,3,4,5,6,7,8,7,6,5,4,3,2,3,4,5,6

%N A walk based on the digits of Pi (A000796).

%C Pi = 3.14159265358979323846....

%C Between 3 and 1 we place 2.

%C Between 1 and 4 we place 2 and 3.

%C Between 4 and 1 we place 3 and 2.

%C Between 1 and 5 we place 2, 3, and 4.

%C Between 5 and 9 we place 6, 7, and 8.

%C Between 9 and 2 we place 8, 7, 6, 5, 4 and 3.

%C Between 2 and 6 we place 3, 4 and 5.

%C Between 6 and 5 we place nothing.

%C Between 5 and 3 we place 4, and so on.

%C This gives:

%C 3, 2, 1, 2, 3, 4, 3, 2, 1, 2, 3, 4, 5, 6, 7, 8, 9, 8, 7, 6, 5, 4, 3, 2, 3, 4, 5, 6, 5, 4, 3, 4, 5, ...

%C This could be called a walk (or promenade) on the digits of Pi.

%Y Cf. A000796

%K nonn,easy,base

%O 1,1

%A _Philippe DelĂ©ham_, Nov 20 2013

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Last modified June 5 13:25 EDT 2023. Contains 363136 sequences. (Running on oeis4.)