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 A224233 #15 Jul 10 2025 10:59:23 %S A224233 3,9,3,7,0,0,7,8,7,4,0,1,5,7,4,8,0,3,1,4,9,6,0,6,2,9,9,2,1,2,5,9,8,4, %T A224233 2,5,1,9,6,8,5,0,3,9,3,7,0,0,7,8,7,4,0,1,5,7,4,8,0,3,1,4,9,6,0,6,2,9, %U A224233 9,2,1,2,5,9,8,4,2,5,1,9 %N A224233 Decimal expansion of number of inches in a meter. %C A224233 The exact value (this is the definition of an inch) is 1/0.0254. %H A224233 <a href="/index/Rec#order_22">Index entries for linear recurrences with constant coefficients</a>, signature (1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-1,1). %F A224233 From _Chai Wah Wu_, Sep 17 2016: (Start) %F A224233 a(n) = a(n-1) - a(n-21) + a(n-22) for n > 23. %F A224233 G.f.: x^2*(-5*x^20 - 3*x^19 + 2*x^18 - 3*x^17 + 8*x^16 - 4*x^15 + 3*x^14 - 2*x^13 - 4*x^12 - x^11 + 4*x^10 + 3*x^9 + x^8 - x^7 - 7*x^6 + 7*x^4 - 4*x^3 + 6*x^2 - 6*x - 3)/(x^22 - x^21 + x - 1). (End) %e A224233 39.370078740157480314960629921259842519685039370078740157480... %t A224233 RealDigits[10000/254,10,120][[1]] (* _Harvey P. Dale_, Jan 13 2019 *) %Y A224233 Cf. A224234 (feet), A224235 (yards). %K A224233 nonn,cons,easy %O A224233 2,1 %A A224233 _N. J. A. Sloane_, Apr 13 2013