%I
%S 50,49,48,47,46,45,44,43,42,41,40,39,38,37,36,35,34,
%T 33,32,31,30,29,28,27,26,25,24,23,22,21,20,19,18,17,
%U 16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50
%N The integers (shown from 50 on).
%C The first 101 terms are the central 101 terms of the integers.
%C The reason for including this entry is to provide search results for sequences of the form k, k+1, k+2, ... for small positive k.
%H <a href="/index/Rec#order_02">Index entries for linear recurrences with constant coefficients</a>, signature (2,1).
%F a(n) = 2 a(n1)  a(n2). G.f.: x^(50)*(50 + 51*x)/(1  x)^2.  _M. F. Hasler_, Apr 18 2015
%t Range[101]  51 (* _Alonso del Arte_, Apr 14 2015 *)
%o (MAGMA) [n: n in [50..50]]; // _Vincenzo Librandi_, Apr 14 2015
%o (Sage) Range(50,51) # _Danny Rorabaugh_, Apr 18 2015
%o (PARI) vector(101,n,n51) \\ In the spirit of other "programs", but actually the result does not have offset 50.  _M. F. Hasler_, Apr 19 2015
%o (PARI) A256958(n)=n \\ _M. F. Hasler_, Apr 19 2015
%Y See A001477 for the nonnegative integers and A000027 for the positive terms.
%Y See A001057, A130472 for other enumerations of the integers.
%Y See also A023443, ..., A023477, A023479, ..., A023482, A022958, ..., A022996; A053615.
%Y The first 101 terms are the 50th row of triangle A196199.  _Omar E. Pol_, Apr 14 2015
%K sign,easy
%O 50,1
%A _Rick L. Shepherd_ and _N. J. A. Sloane_, Apr 14 2015
%E Revised by _N. J. A. Sloane_, Apr 19 2015 at the suggestion of _M. F. Hasler_
