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A041049
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Denominators of continued fraction convergents to sqrt(30).
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1
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1, 2, 21, 44, 461, 966, 10121, 21208, 222201, 465610, 4878301, 10222212, 107100421, 224423054, 2351330961, 4927084976, 51622180721, 108171446418, 1133336644901, 2374844736220, 24881784007101
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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FORMULA
| Empirical G.f.: (1+2*x-x^2)/(1-22*x^2+x^4). [Colin Barker, Jan 02 2012]
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MATHEMATICA
| Table[Denominator[FromContinuedFraction[ContinuedFraction[Sqrt[30], n]]], {n, 1, 50}] (* From Vladimir Joseph Stephan Orlovsky, Mar 18 2011 *)
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CROSSREFS
| Cf. A041048.
Sequence in context: A101316 A006920 A089558 * A005484 A042455 A074875
Adjacent sequences: A041046 A041047 A041048 * A041050 A041051 A041052
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KEYWORD
| nonn,cofr,easy
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com).
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