cp's OEIS Frontend

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.

A195360 Decimal expansion of shortest length, (B), of segment from side BC through incenter to side BA in right triangle ABC with sidelengths (a,b,c)=(2,5,sqrt(29)).

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%I A195360 #5 Mar 30 2012 18:57:45
%S A195360 1,9,5,0,1,2,5,7,0,6,5,2,0,6,5,8,8,2,5,3,3,8,5,5,7,6,0,7,8,2,0,1,4,3,
%T A195360 3,9,3,1,7,9,7,7,3,5,4,4,7,5,9,4,8,0,2,4,4,4,6,7,9,8,6,5,9,9,3,8,6,1,
%U A195360 6,8,3,7,6,0,9,3,5,9,2,7,8,1,2,8,2,9,0,9,3,6,5,9,7,8,7,0,2,0,0,6
%N A195360 Decimal expansion of shortest length, (B), of segment from side BC through incenter to side BA in right triangle ABC with sidelengths (a,b,c)=(2,5,sqrt(29)).
%C A195360 See A195284 for definitions and a general discussion.
%e A195360 (B)=1.950125706520658825338557607820143393179773544...
%t A195360 a = 2; b = 5; c = Sqrt[29]; f = 2 a*b/(a + b + c);
%t A195360 x1 = Simplify[f*Sqrt[a^2 + (b + c)^2]/(b + c) ]
%t A195360 x2 = Simplify[f*Sqrt[b^2 + (c + a)^2]/(c + a) ]
%t A195360 x3 = f*Sqrt[2]
%t A195360 N[x1, 100]
%t A195360 RealDigits[%]    (* (A) A195359 *)
%t A195360 N[x2, 100]
%t A195360 RealDigits[%]    (* (B) A195360 *)
%t A195360 N[x3, 100]
%t A195360 RealDigits[%]    (* (C) A195361 *)
%t A195360 N[(x1 + x2 + x3)/(a + b + c), 100]
%t A195360 RealDigits[%]    (* Philo(ABC,I)  A195362 *)
%Y A195360 Cf. A195284.
%K A195360 nonn,cons
%O A195360 1,2
%A A195360 _Clark Kimberling_, Sep 16 2011