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A019475
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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(2,10).
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0
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2, 10, 51, 261, 1336, 6839, 35009, 179212, 917391, 4696149, 24039712, 123059927, 629947050, 3224715759, 16507406022, 84501851928, 432567234958, 2214323218841, 11335179646638, 58025087091309
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,1
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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;.
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FORMULA
| Empirical G.f.: (2-x^2)/(1-5*x-x^2+2*x^3). [Colin Barker, Feb 04 2012]
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CROSSREFS
| Sequence in context: A037514 A037717 A019476 * A020042 A075436 A074612
Adjacent sequences: A019472 A019473 A019474 * A019476 A019477 A019478
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KEYWORD
| nonn,changed
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AUTHOR
| R. K. Guy (rkg(AT)cpsc.ucalgary.ca)
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