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Search: id:A083855
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| A083855 |
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Multiplicands in the list of numbers which are squares, twice squares, three times squares, or six times squares (A083854). |
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+0
3
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| 1, 2, 3, 1, 6, 2, 1, 3, 1, 2, 6, 1, 3, 2, 1, 3, 1, 2, 6, 1, 2, 3, 1, 6, 2, 1, 3, 1, 2, 1, 3, 6, 2, 1, 3, 1, 2, 6, 1, 2, 3, 1, 2, 1, 6, 3, 1, 2, 1, 3, 6, 2, 1, 3, 1, 2, 1, 6, 3, 2, 1, 1, 2, 3, 6, 1, 2, 3, 1, 2, 6, 1, 3, 1, 2, 1, 6, 3, 2, 1, 1, 2, 3, 6, 1, 2, 3, 1, 2, 1, 6, 3, 1, 2, 1, 3, 6, 2, 1, 1, 3, 2, 1, 6, 2
(list; graph; listen)
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OFFSET
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1,2
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COMMENT
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1, 2, 3 and 6 appear in the ratios sqrt(6):sqrt(3):sqrt(2):1, i.e. with proportions 0.3713..., 0.2626..., 0.2144..., and 0.1516... resectively. A083855 is that which would appear using the d'Hondt method (A055440) on these.
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FORMULA
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a(n) =A007913(A083854(n)).
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EXAMPLE
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A083854 starts 1, 2, 3, 4, 6, 8, 9, 12, 16, etc.; i.e. 1*1^2, 2*1^2, 3*1^2, 1*2^2, 6*1^2, 2*2^2, 1*3^2, 3*2^2, 1*4^2, etc. giving 1, 2, 3, 1, 6, 2, 1, 3, 1, etc.
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CROSSREFS
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Adjacent sequences: A083852 A083853 A083854 this_sequence A083856 A083857 A083858
Sequence in context: A049020 A085853 A137211 this_sequence A062565 A119440 A016730
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KEYWORD
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nonn
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AUTHOR
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Henry Bottomley (se16(AT)btinternet.com), May 06 2003
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