A094561 Final decimal digit of floor(Pi*n), Pi=3.1415...

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, 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, 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

Offset

1,1

Links

Table of n, a(n) for n=1..102.

Index entries for sequences related to final digits of numbers.

Formula

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

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

Mathematica

Table[Mod[Floor[Pi*n], 10], {n, 110}] (* Harvey P. Dale, Oct 04 2014 *)

Crossrefs

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

Sequence in context: A059626 A258226 A258329 * A099679 A013663 A245223

Adjacent sequences: A094558 A094559 A094560 * A094562 A094563 A094564

Keyword

nonn,base

Author

Reinhard Zumkeller, May 12 2004

Status

approved