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A006693 Modified Engel expansion of 3/7.
(Formerly M0960)
0
2, 4, 5, 7, 8, 10, 25, 53, 62, 134, 574, 2431, 13147, 27167, 229073, 315416, 435474, 771789, 1522716, 3853889, 7878986, 7922488, 8844776, 9182596, 9388467, 14781524, 135097360, 1374449987, 1561240840, 4408239956, 11166053604, 12014224315 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

REFERENCES

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

LINKS

Table of n, a(n) for n=1..32.

Jeffrey Shallit, Rational numbers with non-terminating, non-periodic modified Engel-type expansions, Fib. Quart., 31 (1993), 37-40.

Index entries for sequences related to Engel expansions

FORMULA

a(n) = floor(1/A(n)) where A(1) = 3/7, A(n+1) = (1/a(n) - A(n)) * (a(n) + 1). - Sean A. Irvine, Jun 17 2017

CROSSREFS

Sequence in context: A127964 A269929 A085370 * A281641 A158850 A274427

Adjacent sequences:  A006690 A006691 A006692 * A006694 A006695 A006696

KEYWORD

nonn

AUTHOR

N. J. A. Sloane

EXTENSIONS

More terms from Sean A. Irvine, Jun 17 2017

STATUS

approved

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Last modified January 22 09:52 EST 2019. Contains 319363 sequences. (Running on oeis4.)