A323098 Decimal expansion of edge length of a regular pentagon with area 1.
7, 6, 2, 3, 8, 7, 0, 5, 5, 5, 0, 6, 7, 7, 3, 8, 7, 4, 4, 9, 8, 4, 0, 2, 6, 8, 2, 1, 5, 8, 8, 4, 9, 2, 2, 6, 0, 9, 6, 3, 2, 1, 4, 2, 1, 2, 8, 0, 9, 2, 8, 2, 7, 9, 8, 6, 9, 1, 4, 9, 8, 4, 9, 6, 3, 4, 6, 9, 4, 8, 3, 7, 5, 1, 0, 8, 7, 0, 7, 2, 1, 3, 2, 8, 9, 4, 8
Offset: 0
Examples
0.7623870555067738744984026821...
Programs
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Mathematica
RealDigits[(2)/(25 + 10*Sqrt[5])^(1/4), 10, 100][[1]] (* Metin Sariyar, Oct 26 2019 *)
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PARI
default(realprecision, 110); 2/(25 + 10*sqrt(5))^(1/4)
Formula
Equals sqrt(1/A102771) = 2/(25 + 10*sqrt(5))^(1/4).