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User:Jaume Oliver Lafont

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Engineer. Started contributing to the OEIS in 2007, in sequence A058962.

BBP formulas

  • A154920 Denominators of a ternary BBP-type formula for log(3)
  • A165998 Denominators of Taylor series expansion of 1/(3*x)*log((1+x)/(1-x)^2)
  • A164985 Denominators of ternary BBP-type series for log(5)
  • A166486 Periodic sequence [0,1,1,1] of length 4
  • A165132 Primes whose logarithms are known to possess ternary BBP formulas
  • P(1,b,2,(1,0))

Other binary BBP formulas

Permutations of integers

General expressions for log(p/q) appear in the sequences.

Table of logarithms

As generalized Mercator series (or BBP-type formulas in base 1):

Equivalently, as permutations of the harmonic series minus itself:

Riemann series theorem makes this possible.

Series for


Approximations to and

Rational recurrences

Lucas numbers and log(2)

References

Some of these results have been included in the following works.

Notebook