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 A021308 #14 Jul 18 2025 16:15:17 %S A021308 0,0,3,2,8,9,4,7,3,6,8,4,2,1,0,5,2,6,3,1,5,7,8,9,4,7,3,6,8,4,2,1,0,5, %T A021308 2,6,3,1,5,7,8,9,4,7,3,6,8,4,2,1,0,5,2,6,3,1,5,7,8,9,4,7,3,6,8,4,2,1, %U A021308 0,5,2,6,3,1,5,7,8,9,4,7,3,6,8,4,2,1,0,5,2,6,3,1,5,7,8,9,4,7,3 %N A021308 Decimal expansion of 1/304. %H A021308 <a href="/index/Rec#order_10">Index entries for linear recurrences with constant coefficients</a>, signature (1,0,0,0,0,0,0,0,-1,1). %F A021308 From _Chai Wah Wu_, Apr 18 2024: (Start) %F A021308 a(n) = a(n-1) - a(n-9) + a(n-10) for n > 13. %F A021308 G.f.: x^2*(-5*x^11 + 3*x^10 + x^9 - 2*x^8 - 3*x^7 + 4*x^6 - 3*x^5 + 5*x^4 - x^3 - 6*x^2 + x - 3)/(x^10 - x^9 + x - 1). (End) %e A021308 0.00328947368421052631578947368421... %t A021308 realDigitsRecip[304] (* The realDigitsRecip program is at A021200 *) (* _Harvey P. Dale_, Jul 18 2025 *) %Y A021308 Cf. A007450, A021156. %K A021308 nonn,cons,easy %O A021308 0,3 %A A021308 _N. J. A. Sloane_