A039916 - OEIS

A039916

Concatenation of the decimal digits of Pi-3.

1, 14, 141, 1415, 14159, 141592, 1415926, 14159265, 141592653, 1415926535, 14159265358, 141592653589, 1415926535897, 14159265358979, 141592653589793, 1415926535897932, 14159265358979323, 141592653589793238

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OFFSET

1,2

LINKS

Table of n, a(n) for n=1..18.

Kurt Van den Branden, More digits

FORMULA

a(n) = floor((Pi-3)*10^n). G.f.: (f(x)-3*x)/(x-10*x^2) where f(x) is the G.f. of A000796. - Robert Israel, Oct 06 2014

MAPLE

A039916 := proc(n)

Digits := n+4 ;

10^n*evalf(Pi-3) ;

floor(%) ;

end proc:

seq(A039916(n), n=1..10) ; # R. J. Mathar, Oct 04 2014

MATHEMATICA

With[{pids=Rest[RealDigits[\[Pi], 10, 40][[1]]]}, Table[FromDigits[Take[ pids, n]], {n, 20}]] (* Harvey P. Dale, Mar 09 2011 *)

CROSSREFS

See A000796, which is the main entry for Pi.

Sequence in context: A131583 A011547 A011548 * A241217 A159500 A167834

Adjacent sequences: A039913 A039914 A039915 * A039917 A039918 A039919

KEYWORD

base,nonn

AUTHOR

Felice Russo

STATUS

approved