PROG
(MAGMAMagma) I:=[1, 3, 11]; [n le 3 select I[n] else 5*Self(n-1)+Self(n-2)-5*Self(n-3): n in [1..30]]; // Vincenzo Librandi, Apr 21 2012
The OEIS is supported by the many generous donors to the OEIS Foundation.
(MAGMAMagma) I:=[1, 3, 11]; [n le 3 select I[n] else 5*Self(n-1)+Self(n-2)-5*Self(n-3): n in [1..30]]; // Vincenzo Librandi, Apr 21 2012
editing
approved
J. V. Uspensky and M. A. Heaslet, Elementary Number Theory, McGraw-Hill, NY, 1939, p. 324.
approved
editing
editing
approved
a(n) = A000224(5^n). - R. J. Mathar, Sep 28 2017
A039302 := proc(n)
floor((5^n+3)*5/12) ;
end proc:
seq(A039302(n), n=0..10) ; # R. J. Mathar, Sep 28 2017
approved
editing
editing
approved
<a href="/index/Rec#order_03">Index entries for linear recurrences with constant coefficients</a>, signature (5,1,-5).
approved
editing
<a href="/index/Rec">Index to sequences with entries for linear recurrences with constant coefficients</a>, signature (5,1-5).
<a href="/index/Rec#recLCC">Index to sequences with linear recurrences with constant coefficients</a>, signature (5,1-5).
<a href="/Sindx_Rea.htmlindex/Rec#recLCC">Index to sequences with linear recurrences with constant coefficients</a>, signature (5,1-5).