

A232191


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


0



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, 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, 5, 4, 3, 3, 4, 5, 6, 7, 8, 7, 6, 5, 4, 3, 2, 3, 4, 5, 6
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OFFSET

1,1


COMMENTS

Pi = 3.14159265358979323846....
Between 3 and 1 we place 2.
Between 1 and 4 we place 2 and 3.
Between 4 and 1 we place 3 and 2.
Between 1 and 5 we place 2, 3, and 4.
Between 5 and 9 we place 6, 7, and 8.
Between 9 and 2 we place 8, 7, 6, 5, 4 and 3.
Between 2 and 6 we place 3, 4 and 5.
Between 6 and 5 we place nothing.
Between 5 and 3 we place 4, and so on.
This gives:
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, ...
This could be called a walk (or promenade) on the digits of Pi.


LINKS

Table of n, a(n) for n=1..87.


CROSSREFS

Cf. A000796
Sequence in context: A324782 A256427 A120441 * A183041 A136560 A105847
Adjacent sequences: A232188 A232189 A232190 * A232192 A232193 A232194


KEYWORD

nonn,easy,base


AUTHOR

Philippe Deléham, Nov 20 2013


STATUS

approved



