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A145924
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Last digit of A145923(n).
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0
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9, 3, 5, 5, 3, 9, 3, 5, 5, 3, 9, 3, 5, 5, 3, 9, 3, 5, 5, 3, 9, 3, 5, 5, 3, 9, 3, 5, 5, 3, 9, 3, 5, 5, 3, 9, 3, 5, 5, 3, 9, 3, 5, 5, 3, 9, 3, 5, 5, 3, 9, 3, 5, 5, 3, 9, 3, 5, 5, 3, 9, 3, 5, 5, 3, 9, 3, 5, 5, 3, 9, 3, 5, 5, 3, 9, 3, 5, 5, 3, 9, 3, 5, 5, 3
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,1
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COMMENTS
| The numbers also populate the 5th row of A107449.
Terms of the simple continued fraction of 1546/(sqrt(6507605)-2385). [From Paolo P. Lava (paoloplava(AT)gmail.com), Feb 17 2009]
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FORMULA
| a(n) = A145923(n) mod 10.
Period length 5: a(n+5) = a(n).
a(n)=(1/10)*{-7*(n mod 5)+9*[(n+1) mod 5]+5*[(n+2) mod 5]+[(n+3) mod 5]+17*[(n+4) mod 5]}, with n>=0 [From Paolo P. Lava (paoloplava(AT)gmail.com), Oct 28 2008]
G.f.: (9+3x+5x^2+5x^3+3x^4)/((1-x)(1+x+x^2+x^3+x^4)). - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Dec 08 2008
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CROSSREFS
| Sequence in context: A154978 A011235 A011212 * A200007 A153618 A171051
Adjacent sequences: A145921 A145922 A145923 * A145925 A145926 A145927
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KEYWORD
| nonn,base
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AUTHOR
| Paul Curtz (bpcrtz(AT)free.fr), Oct 25 2008
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EXTENSIONS
| Edited by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Dec 08 2008
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