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Final decimal digit of floor(Pi*n), Pi=3.1415...
2

%I #15 Apr 11 2021 05:05:28

%S 3,6,9,2,5,8,1,5,8,1,4,7,0,3,7,0,3,6,9,2,5,9,2,5,8,1,4,7,1,4,7,0,3,6,

%T 9,3,6,9,2,5,8,1,5,8,1,4,7,0,3,7,0,3,6,9,2,5,9,2,5,8,1,4,7,1,4,7,0,3,

%U 6,9,3,6,9,2,5,8,1,5,8,1,4,7,0,3,7,0,3,6,9,2,5,9,2,5,8,1,4,7,1,4,7,0

%N Final decimal digit of floor(Pi*n), Pi=3.1415...

%H <a href="/index/Fi#final">Index entries for sequences related to final digits of numbers</a>.

%F a(n) = floor(Pi*n) mod 10.

%F a(n) = A010879(A022844(n)).

%t Table[Mod[Floor[Pi*n],10],{n,110}] (* _Harvey P. Dale_, Oct 04 2014 *)

%Y Cf. A000796, A010879, A022844, A094560, A094562.

%K nonn,base

%O 1,1

%A _Reinhard Zumkeller_, May 12 2004