A016651 -id:A016651 - cp's OEIS frontend

A234518 Decimal expansion of log_12 (28/13).

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

Offset: 0

Jaroslav Krizek, Jan 03 2014

Decimal expansion of maximal value of function alpha(n) = alpha-deviation from primality of number n = log_n(sigma(n)) - log_n(n+1) = log_n[sigma(n) / (n+1)] for n = 12, when alpha(12) = log_12(sigma(12)) - log_12(12+1) = log_12(28) - log_12(13) = log_12 (28/13) = 0,308766187…; alpha(p) = 0 for p = prime.

			0,3087661875664928997884010546628878661481631771557148…

Index entries for transcendental numbers

Cf. A234515, A234516, A234517, A234519, A234520, A234521, A234522, A234523, A234524.

RealDigits[Log[12,28/13],10,120][[1]] (* Harvey P. Dale, Apr 17 2022 *)

log(28/13)/log(12) \\ Michel Marcus, Dec 11 2014

Decimal expansion of (A016651-A016636) / A016635.

A016456 Continued fraction for log(28).

Original entry on oeis.org

3, 3, 98, 10, 4, 17, 2, 1, 3, 10, 1, 1, 1, 1, 3, 8, 43, 1, 38, 2, 1, 1, 2, 2, 1, 11, 1, 1, 2, 1, 10, 12, 1, 72, 1, 3, 1, 2, 2, 2, 2, 1, 1, 8, 1, 1, 193, 7, 2, 1, 1, 5, 1, 6, 2, 1, 2, 1, 3, 1, 1, 10, 3, 1, 1, 2, 1, 6, 2, 1, 2, 1, 11, 1

Offset: 1

N. J. A. Sloane

			3.3322045101752039239398169... = 3 + 1/(3 + 1/(98 + 1/(10 + 1/(4 + ...)))). - _Harry J. Smith_, May 20 2009

Harry J. Smith, Table of n, a(n) for n = 1..20000

Cf. A016651 Decimal expansion. - Harry J. Smith, May 20 2009

ContinuedFraction[Log[28],100] (* Harvey P. Dale, Jun 01 2018 *)

{ allocatemem(932245000); default(realprecision, 21000); x=contfrac(log(28)); for (n=1, 20000, write("b016456.txt", n, " ", x[n])); } \\ Harry J. Smith, May 20 2009

cp's OEIS Frontend

A234518 Decimal expansion of log_12 (28/13).

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