cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

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A375509 Decimal expansion of the negated derivative P'(3/2) of the prime zeta function at 3/2.

Original entry on oeis.org

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

Views

Author

R. J. Mathar, Aug 18 2024

Keywords

Examples

			1.29571075479160755372288832464555766349416294698452...
		

Crossrefs

Cf. A338574 (P(3/2)), A136271 (P'(2)).

Programs

  • Mathematica
    $MaxExtraPrecision = 100; RealDigits[N[PrimeZetaP'[3/2], 120]][[1]] (* Amiram Eldar, Aug 19 2024 *)

Formula

P'(3/2) = -Sum_{p = 2,3,5,7,11,..} log(p)/p^(3/2) = -1.29571075479160755372...
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