A156671 - OEIS

A156671

First nonzero digit in decimal expansion of (Pi^n)/n!.

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

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OFFSET

0,2

LINKS

Table of n, a(n) for n=0..105.

EXAMPLE

(Pi^2)/2! = 4.9348022...., hence a(2)=4

MATHEMATICA

Flatten[Table[RealDigits[Pi^n/n!, 10, 1][[1]], {n, 0, 100}]] (* Vaclav Kotesovec, Feb 14 2019 *)

CROSSREFS

Sequence in context: A348173 A100394 A178783 * A072006 A014238 A275719

Adjacent sequences: A156668 A156669 A156670 * A156672 A156673 A156674