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Search: id:A041685
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| A041685 |
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Denominators of continued fraction convergents to sqrt(362). |
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+0
2
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| 1, 38, 1445, 54948, 2089469, 79454770, 3021370729, 114891542472, 4368899984665, 166133090959742, 6317426356454861, 240228334636244460, 9134994142533744341, 347370005750918529418, 13209195212677437862225
(list; graph; listen)
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OFFSET
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0,2
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LINKS
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Tanya Khovanova, Recursive Sequences
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FORMULA
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a(n)=F(n, 38), the n-th Fibonacci polynomial evaluated at x=38. - T. D. Noe (noe(AT)sspectra.com), Jan 19 2006
a(n)=38*a(n-1)+a(n-2), n>1 ; a(0)=1, a(1)=38 . G.f.: 1/(1-38*x-x^2). [From Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Nov 23 2008]
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MATHEMATICA
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a=0; lst={}; s=0; Do[a=s-(a-1); AppendTo[lst, a]; s+=a*38, {n, 3*4!}]; lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Nov 03 2009]
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CROSSREFS
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Cf. A041684.
Sequence in context: A158702 A078987 A009982 this_sequence A158766 A093648 A055605
Adjacent sequences: A041682 A041683 A041684 this_sequence A041686 A041687 A041688
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KEYWORD
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nonn,cofr,easy,new
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com).
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