A245287 - OEIS

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A245287

Decimal expansion of the Landau-Kolmogorov constant C(4,2) for derivatives in L_2(0, infinity).

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

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OFFSET

1,1

COMMENTS

See A244091.

REFERENCES

Steven R. Finch, Mathematical Constants, Cambridge University Press, 2003, Section 3.3 Landau-Kolmogorov constants, p. 214.

LINKS

Table of n, a(n) for n=1..105.

Eric Weisstein's MathWorld, Landau-Kolmogorov Constants

FORMULA

(2/b)^(1/2), where b is the smallest positive root of x^4 - 2*x^2 - 4*x + 1.