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A236023 Decimal expansion of log_2 (5) - log_3 (7). 7
5, 5, 0, 6, 8, 4, 3, 4, 5, 7, 2, 5, 9, 4, 0, 0, 8, 7, 8, 0, 2, 3, 9, 1, 1, 2, 2, 4, 0, 6, 9, 3, 2, 4, 5, 7, 7, 9, 8, 3, 6, 0, 0, 5, 8, 4, 3, 0, 3, 3, 7, 1, 3, 2, 6, 8, 5, 7, 6, 3, 8, 1, 8, 5, 3, 6, 0, 4, 8, 5, 7, 7, 9, 0, 5, 8, 1, 3, 0, 0, 5, 0, 1, 5, 8, 3, 8, 7, 5, 4, 0, 2, 1, 8, 6 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

0,1

COMMENTS

Decimal expansion of minimal value of function gamma(n) = log_2(n+1) - log_tau(n) (sigma(n))  for n = 4, where gamma(n) is called the gamma-deviation from primality of the number n (see A236022).

LINKS

Table of n, a(n) for n=0..94.

FORMULA

Equals log(5)/log(2) - log(7)/log(3) = A020858 - A152565.

EXAMPLE

0.550684345725940087802391122406...

CROSSREFS

Cf. A236020, A236021, A236022, A236024, A236025, A236026.

Sequence in context: A299625 A021649 A200257 * A200516 A233383 A144184

Adjacent sequences:  A236020 A236021 A236022 * A236024 A236025 A236026

KEYWORD

nonn,cons

AUTHOR

Jaroslav Krizek, Jan 18 2014

STATUS

approved

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Last modified August 3 01:52 EDT 2021. Contains 346429 sequences. (Running on oeis4.)