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%I #27 Mar 23 2021 12:03:30
%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 A000796. - _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_