A378967 Decimal expansion of 4*sqrt(2) - 6*sqrt(6)/Pi.

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

Offset

0,1

References

Steven R. Finch, Mathematical Constants, Encyclopedia of Mathematics and its Applications, vol. 94, Cambridge University Press, 2003, Section 5.4.1, p. 287.

Links

Table of n, a(n) for n=0..99.

Formula

Equals Sum_{i<>0} (-1)^(i+1)/(3*i^2 + i) (see Finch).

Example

0.97867344209032354777154659519925174861788570230863...

Mathematica

RealDigits[4Sqrt[2]-6Sqrt[6]/Pi, 10, 100][[1]]

Crossrefs

Cf. A000796, A002193, A010464, A010487, A132696, A343906.

Sequence in context: A011359 A154827 A258942 * A249601 A298524 A212005

Adjacent sequences: A378957 A378958 A378964 * A378968 A378969 A378978

Keyword

nonn,cons,easy,new

Author

Stefano Spezia, Dec 12 2024

Status

approved