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A134229
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Sum of the odd composites A071904 less than or equal to 1+2*10^n.
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2
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OFFSET
| 1,1
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COMMENTS
| A134228(n) + a(n) = A134230(n).
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FORMULA
| Beginning with 3, compute 10^n sums of odd composites.
a(n)=sum{A071904(i): A071904(i) <= 1+2*10^n}. - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Oct 28 2007
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EXAMPLE
| a(1)=45 because that is the sum of the odd composites (9+15+21)=45) under 10^1 (beginning with 3).
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CROSSREFS
| Cf. A134228 A134230.
Sequence in context: A061542 A037182 A178632 * A199355 A163035 A184136
Adjacent sequences: A134226 A134227 A134228 * A134230 A134231 A134232
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KEYWORD
| more,nonn
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AUTHOR
| Enoch Haga (Enokh(AT)comcast.net), Oct 14 2007
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EXTENSIONS
| Better definition from R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Oct 28 2007
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