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Search: id:A130793
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| A130793 |
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Periodic sequence with period 1 3 5 . |
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+0
1
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| 1, 3, 5, 1, 3, 5, 1, 3, 5, 1, 3, 5, 1, 3, 5, 1, 3, 5, 1, 3, 5, 1, 3, 5, 1, 3, 5, 1, 3, 5, 1, 3, 5, 1, 3, 5, 1, 3, 5, 1, 3, 5
(list; graph; listen)
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OFFSET
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0,2
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FORMULA
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a(n)=(1/3)*{7*(n mod 3)+[(n+1) mod 3]+[(n+2) mod 3]}, with n>=0. - Paolo P. Lava (ppl(AT)spl.at), Jul 18 2007
a(n)= 3+2*A049347(n+1). O.g.f.: (1+3x+5x^2)/((1-x)(1+x+x^2)). - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jun 13 2008
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CROSSREFS
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Cf. A021078.
Adjacent sequences: A130790 A130791 A130792 this_sequence A130794 A130795 A130796
Sequence in context: A127250 A137759 A049246 this_sequence A021078 A084243 A030311
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KEYWORD
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nonn
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AUTHOR
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Paul Curtz (bpcrtz(AT)free.fr), Jul 15 2007
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