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 A021310 #21 Jul 08 2025 08:16:59 %S A021310 0,0,3,2,6,7,9,7,3,8,5,6,2,0,9,1,5,0,3,2,6,7,9,7,3,8,5,6,2,0,9,1,5,0, %T A021310 3,2,6,7,9,7,3,8,5,6,2,0,9,1,5,0,3,2,6,7,9,7,3,8,5,6,2,0,9,1,5,0,3,2, %U A021310 6,7,9,7,3,8,5,6,2,0,9,1,5,0,3,2,6,7,9,7,3,8,5,6,2,0,9,1,5,0,3 %N A021310 Decimal expansion of 1/306. %H A021310 <a href="/index/Rec#order_16">Index entries for linear recurrences with constant coefficients</a>, signature (0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1). %F A021310 G.f.: x^2*(5*x^14 + x^13 + 9*x^12 + 2*x^10 + 6*x^9 + 5*x^8 + 8*x^7 + 3*x^6 + 7*x^5 + 9*x^4 + 7*x^3 + 6*x^2 + 2*x + 3)/(1 - x^16). - _Chai Wah Wu_, Jun 21 2016 %e A021310 0.003267973856209150326797385620915032679738562... %t A021310 realDigitsRecip[306] (* The realDigitsRecip program is at A021200 *) (* _Harvey P. Dale_, Oct 01 2024 *) %Y A021310 Cf. A021106, A021157. %K A021310 nonn,cons %O A021310 0,3 %A A021310 _N. J. A. Sloane_