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A242439
Decimal expansion of the coefficient C used in the asymptotic evaluation of the number of primitive Pythagorean triangles with area less than n, as C*sqrt(n).
1
5, 3, 1, 3, 3, 9, 9, 4, 9, 9, 5, 8, 4, 2, 1, 8, 2, 5, 5, 9, 1, 2, 4, 5, 0, 9, 7, 5, 5, 2, 2, 5, 6, 0, 4, 5, 5, 3, 1, 2, 7, 4, 9, 5, 9, 1, 6, 3, 0, 1, 0, 3, 4, 7, 1, 2, 0, 5, 2, 7, 4, 3, 7, 0, 3, 6, 6, 9, 8, 0, 5, 5, 6, 3, 5, 9, 1, 1, 4, 1, 8, 3, 7, 0, 1, 4, 9, 5, 4, 6, 8, 6, 0, 2, 0, 3, 1, 8, 7, 2
OFFSET
0,1
REFERENCES
Steven R. Finch, Mathematical Constants, Cambridge University Press, 2003, p. 277.
FORMULA
(1/sqrt(2*Pi^5))*GAMMA(1/4)^2.
EXAMPLE
0.531339949958421825591245097552256...
MATHEMATICA
RealDigits[1/Sqrt[2*Pi^5]*Gamma[1/4]^2 , 10, 100] // First
CROSSREFS
Cf. A118858.
Sequence in context: A160276 A279903 A309446 * A176318 A190406 A021657
KEYWORD
nonn,cons
AUTHOR
STATUS
approved