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A093152
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Number of odd composites below 10^n that are congruent to 3 modulo 4.
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2
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0, 12, 163, 1881, 20192, 210678, 2167602, 22119050, 224575958, 2272470765, 22940965468, 231196012323, 2326967172345, 23397529032871, 235077714312816, 2360380827753871, 23688221418030854, 237630022854838725, 2382971166321456083, 23889590198589663868
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OFFSET
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1,2
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LINKS
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FORMULA
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EXAMPLE
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Below 10^2 there are 12 odd composites 3 mod 4 so a(2)=12
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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