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Search: id:A139238
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| 4, 24, 96, 1920, 6144, 122880, 393216, 7864320, 528482304
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OFFSET
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1,1
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FORMULA
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a(n) = A001348(n+1) - A001348(n).
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EXAMPLE
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a(2)=24 because A001348(2)=7 and A001348(2+1)=31 then 31-7 = 24.
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CROSSREFS
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Cf. A001348, A139228, A139231, A139234, A139239, A139240, A139241, A139242, A139243.
Sequence in context: A091143 A119920 A100738 this_sequence A139231 A052462 A048806
Adjacent sequences: A139235 A139236 A139237 this_sequence A139239 A139240 A139241
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KEYWORD
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easy,nonn
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AUTHOR
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Omar E. Pol (info(AT)polprimos.com), Apr 19 2008
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