A195386 - OEIS

A195386

Decimal expansion of shortest length, (A), of segment from side AB through incenter to side AC in right triangle ABC with sidelengths (a,b,c)=(sqrt(2),sqrt(5),sqrt(7)).

1, 0, 4, 5, 8, 3, 1, 3, 7, 9, 9, 7, 9, 9, 5, 5, 8, 7, 4, 9, 4, 8, 7, 2, 0, 5, 7, 5, 7, 0, 3, 4, 1, 1, 6, 8, 1, 4, 2, 4, 8, 5, 2, 0, 4, 7, 4, 4, 8, 0, 2, 4, 4, 0, 9, 4, 4, 5, 3, 8, 9, 4, 5, 8, 9, 0, 4, 0, 7, 2, 1, 2, 7, 2, 0, 5, 8, 6, 7, 2, 9, 0, 3, 5, 6, 3, 1, 8, 0, 3, 1, 7, 9, 4, 4, 5, 7, 4, 1, 1

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OFFSET

1,3

COMMENTS

See A195284 for definitions and a general discussion.

LINKS

G. C. Greubel, Table of n, a(n) for n = 1..10000

EXAMPLE

(A)=1.0458313799799558749487205757034116814248520474480...

MATHEMATICA

a = Sqrt[2]; b = Sqrt[5]; c = Sqrt[7];

f = 2 a*b/(a + b + c);