This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A145924 #25 Mar 02 2024 01:28:23
%S A145924 9,3,5,5,3,9,3,5,5,3,9,3,5,5,3,9,3,5,5,3,9,3,5,5,3,9,3,5,5,3,9,3,5,5,
%T A145924 3,9,3,5,5,3,9,3,5,5,3,9,3,5,5,3,9,3,5,5,3,9,3,5,5,3,9,3,5,5,3,9,3,5,
%U A145924 5,3,9,3,5,5,3,9,3,5,5,3,9,3,5,5,3
%N A145924 Last digit of A145923(n).
%C A145924 The numbers also populate the 5th row of A107449.
%H A145924 <a href="/index/Rec#order_05">Index entries for linear recurrences with constant coefficients</a>, signature (0,0,0,0,1).
%F A145924 a(n) = A145923(n) mod 10.
%F A145924 Period length 5: a(n+5) = a(n).
%F A145924 G.f.: (9+3x+5x^2+5x^3+3x^4)/((1-x)(1+x+x^2+x^3+x^4)). - _R. J. Mathar_, Dec 08 2008
%t A145924 PadRight[{},100,{9,3,5,5,3}] (* _Harvey P. Dale_, Jul 05 2012 *)
%o A145924 (PARI) a(n)=[9,3,5,5,3][n%5+1]; \\ _Jinyuan Wang_, Mar 23 2020
%Y A145924 Cf. A010879 (last digit), A145923.
%K A145924 nonn,base,less
%O A145924 0,1
%A A145924 _Paul Curtz_, Oct 25 2008
%E A145924 Edited by _R. J. Mathar_, Dec 08 2008