A094560 Initial decimal digit of Pi*n, Pi=3.1415...

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

Offset

1,1

Comments

a(n) = A000030(A022844(n)).

Links

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

Mathematica

Table[RealDigits[Pi n, 10, 20][[1, 1]], {n, 120}] (* Harvey P. Dale, Dec 31 2021 *)

Prog

(PARI) a(n) = digits(floor(n*Pi))[1]; \\ Michel Marcus, May 08 2016

Crossrefs

Cf. A094561, A094562, A000796.

Sequence in context: A232817 A346640 A247398 * A179615 A183033 A199735

Adjacent sequences: A094557 A094558 A094559 * A094561 A094562 A094563

Keyword

nonn,base

Author

Reinhard Zumkeller, May 12 2004

Status

approved