A379391 Decimal expansion of sqrt(Pi^2 - 4)/(2*Pi^2).

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

Offset

0,2

References

Steven R. Finch, Mathematical Constants, Encyclopedia of Mathematics and its Applications, vol. 94, Cambridge University Press, 2003, Section 8.4.2, p. 494.

Links

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

Example

0.1227367657057171588878865032271413191796583881...

Mathematica

RealDigits[Sqrt[Pi^2-4]/(2Pi^2), 10, 100][[1]]

Crossrefs

Cf. A002388, A164102.

Sequence in context: A341760 A342453 A370393 * A077218 A102780 A227828

Adjacent sequences: A379388 A379389 A379390 * A379392 A379393 A379394

Keyword

nonn,cons

Author

Stefano Spezia, Dec 22 2024

Status

approved