A379131 Decimal expansion of A245781*Pi/2.

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

Offset

0,1

References

Steven R. Finch, Mathematical Constants, Encyclopedia of Mathematics and its Applications, vol. 94, Cambridge University Press, 2003, Section 6.3, p. 428.

Links

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

Example

0.516335976281723871313792619181221914938329739531513289352...

Mathematica

digits = 100; Pi Exp[-NSum[Zeta[2*k]*(Zeta[2*k]-1)/k, {k, 1, Infinity}, NSumTerms -> 200, WorkingPrecision -> digits+10]]/2 // RealDigits[#, 10, digits]& // First (* after Jean-François Alcover, Aug 01 2014 in A245781 *)

Crossrefs

Cf. A019669, A085365, A245781.

Sequence in context: A180595 A088401 A077491 * A086231 A201419 A163336

Adjacent sequences: A379128 A379129 A379130 * A379132 A379133 A379134

Keyword

nonn,cons,new

Author

Stefano Spezia, Dec 15 2024

Status

approved