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A048613 Number of terms (excluding the first) of A002211 for which the geometric mean produces progressively better approximations to Khinchin's constant (itself). 3
1, 2, 3, 15, 23, 26, 81, 104, 109, 111, 120, 127, 135, 136, 141, 142, 144, 145, 146, 147, 148, 5920, 5943, 8381, 8401, 89953, 91368 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..27.

H. Havermann, Simple Continued Fraction Expansion of Khinchin's Constant

M. Wolf, Computer experiments with Mersenne primes, arXiv preprint arXiv:1112.2412, 2011

MATHEMATICA

g = {computed geometric means minus Khinchin}: pk = 2; t = Table[ If[ Abs[ g[ [ i ] ] ] <= pk, pk = Abs[ g[ [ i ] ] ]; i ], {i, 1, Length[ g ]} ]; Select[ t, NumberQ ]

CROSSREFS

Cf. A002211, A209600.

Sequence in context: A101507 A047176 A037175 * A162890 A030072 A064219

Adjacent sequences:  A048610 A048611 A048612 * A048614 A048615 A048616

KEYWORD

nice,nonn

AUTHOR

Hans Havermann (corrected Jan 12, 2001)

STATUS

approved

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Last modified March 23 22:30 EDT 2017. Contains 283985 sequences.