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 A039916 Concatenation of the decimal digits of Pi-3. 5

%I

%S 1,14,141,1415,14159,141592,1415926,14159265,141592653,1415926535,

%T 14159265358,141592653589,1415926535897,14159265358979,

%U 141592653589793,1415926535897932,14159265358979323,141592653589793238

%N Concatenation of the decimal digits of Pi-3.

%H Kurt Van den Branden, <a href="https://web.archive.org/web/20020201235222/http://gallery.uunet.be/kurtvdb/pi.html">More digits</a>

%F 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 A000976. - _Robert Israel_, Oct 06 2014

%p A039916 := proc(n)

%p Digits := n+4 ;

%p 10^n*evalf(Pi-3) ;

%p floor(%) ;

%p end proc:

%p seq(A039916(n),n=1..10) ; # _R. J. Mathar_, Oct 04 2014

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

%Y See A000796, which is the main entry for Pi.

%K base,nonn

%O 1,2

%A _Felice Russo_

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Last modified September 30 22:26 EDT 2020. Contains 337440 sequences. (Running on oeis4.)