

A002211


Continued fraction for Khintchine's constant.
(Formerly M0118 N0047)


14



2, 1, 2, 5, 1, 1, 2, 1, 1, 3, 10, 2, 1, 3, 2, 24, 1, 3, 2, 3, 1, 1, 1, 90, 2, 1, 12, 1, 1, 1, 1, 5, 2, 6, 1, 6, 3, 1, 1, 2, 5, 2, 1, 2, 1, 1, 4, 1, 2, 2, 3, 2, 1, 1, 4, 1, 1, 2, 5, 2, 1, 1, 3, 29, 8, 3, 1, 4, 3, 1, 10, 50, 1, 2, 2, 7, 6, 2, 2, 16, 4, 4, 2, 2, 3, 1, 1, 7, 1, 5, 1, 2, 1, 5, 3, 1
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OFFSET

0,1


COMMENTS

Incrementally larger terms in the continued fraction for Khintchine's constant: 1, 2, 5, 10, 24, 90, 770, 941, 11759, 54097, 231973, ..., and they occur at 1, 2, 3, 10, 15, 23, 104, 1701, 2445, 18995, 60037, ...  Robert G. Wilson v, Dec 09 2013


REFERENCES

N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).


LINKS

T. D. Noe, Table of n, a(n) for n = 0..999
H. Havermann, Simple Continued Fraction Expansion of Khinchin's Constant
D. Shanks and J. W. Wrench, Jr., Khintchine's constant, Amer. Math. Monthly, 66 (1959), 276279.
J. W. Wrench, Further evaluation of Khintchine's constant, Math. Comp., 14 (1960), 370371.
J. W. Wrench, Jr. and D. Shanks, Questions concerning Khintchine's constant and the efficient computation of regular continued fractions, Math. Comp., 20 (1966), 444448.
G. Xiao, Contfrac
Eric Weisstein's World of Mathematics, Khinchin's Constant Continued Fraction
Index entries for continued fractions for constants


EXAMPLE

2.685452001065306445309714835... = 2 + 1/(1 + 1/(2 + 1/(5 + 1/(1 + ...))))
[a_0; a_1, a_2, ...] = [2, 1, 2, ...]


MATHEMATICA

ContinuedFraction[Khinchin, 100]


CROSSREFS

Cf. A002210.
Sequence in context: A109851 A245841 A011404 * A175011 A211700 A171840
Adjacent sequences: A002208 A002209 A002210 * A002212 A002213 A002214


KEYWORD

cofr,nonn,nice,easy


AUTHOR

N. J. A. Sloane


EXTENSIONS

More terms from Robert G. Wilson v, Oct 31 2001


STATUS

approved



