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 A324471 #24 Aug 03 2024 18:16:23 %S A324471 0,0,1,2,0,4,3,2,1,0,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10, %T A324471 10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10, %U A324471 10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10 %N A324471 a(n) = 10 mod n. %H A324471 <a href="/index/Rec#order_01">Index entries for linear recurrences with constant coefficients</a>, signature (1). %F A324471 From _Elmo R. Oliveira_, Aug 03 2024: (Start) %F A324471 G.f.: x^3*(1 + x - 2*x^2 + 4*x^3 - x^4 - x^5 - x^6 - x^7 + 10*x^8)/(1 - x). %F A324471 a(n) = 10 for n > 10. (End) %t A324471 Mod[10,Range[100]] (* _Paolo Xausa_, Nov 14 2023 *) %Y A324471 Cf. A010692, A010879, A048158, A051127, A090976, A324472. %K A324471 nonn,easy %O A324471 1,4 %A A324471 _N. J. A. Sloane_, Mar 07 2019, following a suggestion from _Charles Kusniec_