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A195341 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)=(1,2,sqrt(5)). 5
8, 9, 8, 0, 5, 5, 9, 5, 3, 1, 5, 9, 1, 7, 0, 7, 4, 4, 8, 8, 3, 8, 9, 0, 3, 0, 3, 5, 9, 5, 0, 5, 3, 5, 7, 5, 1, 5, 8, 4, 2, 4, 9, 6, 4, 6, 4, 2, 1, 6, 7, 0, 3, 8, 7, 8, 8, 9, 5, 7, 2, 6, 8, 3, 3, 7, 6, 1, 5, 1, 1, 2, 9, 5, 8, 0, 4, 1, 6, 5, 3, 1, 9, 2, 8, 6, 1, 1, 5, 5, 0, 1, 8, 6, 8, 5, 1, 6, 0, 9, 7, 6, 8 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET
0,1
COMMENTS
See A195284 for definitions and a general discussion.
LINKS
EXAMPLE
0.898055953159170744883890303595053575158424964642...
MATHEMATICA
a = 1; b = 2; c = Sqrt[5]; f = 2 a*b/(a + b + c);
x1 = Simplify[f*Sqrt[a^2 + (b + c)^2]/(b + c) ];
x2 = Simplify[f*Sqrt[b^2 + (c + a)^2]/(c + a) ];
x3 = f*Sqrt[2];
N[x1, 100]
RealDigits[%] (* (A) A195340 *)
N[x2, 100]
RealDigits[%] (* (B) A195341 *)
N[x3, 100]
RealDigits[%] (* (C) A195342 *)
N[(x1 + x2 + x3)/(a + b + c), 100]
RealDigits[%] (* Philo(ABC, I) A195343 *)
CROSSREFS
Cf. A195284.
Sequence in context: A198222 A154582 A020507 * A205185 A011463 A073637
KEYWORD
nonn,cons
AUTHOR
Clark Kimberling, Sep 16 2011
EXTENSIONS
a(99)-a(100) corrected by Georg Fischer, Jul 18 2021
STATUS
approved

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Last modified April 18 11:28 EDT 2024. Contains 371779 sequences. (Running on oeis4.)