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Search: id:A145924
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A145924 Last digit of A145923(n). +0
1
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; listen)
OFFSET

0,1

COMMENT

The numbers also populate the 5th row of A107449.

Terms of the simple continued fraction of 1546/(sqrt(6507605)-2385). [From Paolo P. Lava (ppl(AT)spl.at), Feb 17 2009]

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 (ppl(AT)spl.at), 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

CROSSREFS

Sequence in context: A154978 A011235 A011212 this_sequence A153618 A060433 A019737

Adjacent sequences: A145921 A145922 A145923 this_sequence A145925 A145926 A145927

KEYWORD

nonn

AUTHOR

Paul Curtz (bpcrtz(AT)free.fr), Oct 25 2008

EXTENSIONS

Edited by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Dec 08 2008

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Last modified December 11 12:57 EST 2009. Contains 170656 sequences.


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