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A018907 Define the sequence S(a_0,a_1) by a_{n+2} is the least integer such that a_{n+2}/a_{n+1}>a_{n+1}/a_n for n >= 0 . This is S(2,7). 0
2, 7, 25, 90, 325, 1174, 4241, 15321, 55349, 199956, 722370, 2609667, 9427803, 34059315, 123044249, 444515318, 1605876501, 5801463374, 20958633656, 75716124779, 273535557978, 988187148996, 3569970385786 (list; graph; refs; listen; history; internal format)
OFFSET

0,1

REFERENCES

D. W. Boyd, Linear recurrence relations for some generalized Pisot sequences, Advances in Number Theory ( Kingston ON, 1991) 333-340, Oxford Sci. Publ., Oxford Univ. Press, New York, 1993;.

CROSSREFS

Sequence in context: A007484 A070859 A048576 * A052936 A108152 A097613

Adjacent sequences:  A018904 A018905 A018906 * A018908 A018909 A018910

KEYWORD

nonn

AUTHOR

R. K. Guy (rkg(AT)cpsc.ucalgary.ca)

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Last modified February 14 18:09 EST 2012. Contains 205663 sequences.