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Search: id:A018907
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| A018907 |
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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). |
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1
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| 2, 7, 25, 90, 325, 1174, 4241, 15321, 55349, 199956, 722370, 2609667, 9427803, 34059315, 123044249, 444515318, 1605876501, 5801463374, 20958633656, 75716124779, 273535557978, 988187148996, 3569970385786
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OFFSET
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0,1
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REFERENCES
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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;.
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CROSSREFS
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Sequence in context: A007484 A070859 A048576 this_sequence A052936 A108152 A097613
Adjacent sequences: A018904 A018905 A018906 this_sequence A018908 A018909 A018910
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KEYWORD
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nonn
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AUTHOR
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R. K. Guy (rkg(AT)cpsc.ucalgary.ca)
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