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 A021452 #19 Aug 15 2025 17:59:29 %S A021452 0,0,2,2,3,2,1,4,2,8,5,7,1,4,2,8,5,7,1,4,2,8,5,7,1,4,2,8,5,7,1,4,2,8, %T A021452 5,7,1,4,2,8,5,7,1,4,2,8,5,7,1,4,2,8,5,7,1,4,2,8,5,7,1,4,2,8,5,7,1,4, %U A021452 2,8,5,7,1,4,2,8,5,7,1,4,2,8,5,7,1,4,2,8,5,7,1,4,2,8,5,7,1,4,2 %N A021452 Decimal expansion of 1/448. %C A021452 Same decimal period as A020806. - _R. J. Mathar_, Feb 13 2012 %H A021452 <a href="/index/Rec#order_04">Index entries for linear recurrences with constant coefficients</a>, signature (1, 0, -1, 1). %e A021452 0.00223214285714285714285714285714285714285714285714... %t A021452 First[RealDigits[1/448, 10, 100, -1]] (* _Paolo Xausa_, Aug 15 2025 *) %Y A021452 Cf. A020806. %K A021452 nonn,cons,easy %O A021452 0,3 %A A021452 _N. J. A. Sloane_