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Search: id:A073160
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| 9, 17, 23, 25, 31, 42, 53, 63, 69, 71, 77, 84, 91, 102, 109, 112, 119, 127, 135, 145, 153, 157, 162, 172, 181, 185, 188, 194, 200, 204, 211, 222, 232, 239, 241, 243, 253, 258, 268, 279, 280, 288
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OFFSET
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1,1
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COMMENT
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a(n) is asymptotic to 7n.
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FORMULA
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a(n) = A073159(n) + A073159(n-1), where A073159(0)=0.
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EXAMPLE
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A073158:_1,2,4, 7, 5, 8,10,14,15,19,16,20,21,22,26,28,27,... A073159:__3,6,11,12,13,18,24,29,34,35,36,41,43,48,54,55,... A073160:___9,17,23,25,31,42,53,63,69,71,77,84,91,102,109,...
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CROSSREFS
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Cf. A073158, A073159.
Sequence in context: A124966 A133246 A144752 this_sequence A143850 A017077 A004768
Adjacent sequences: A073157 A073158 A073159 this_sequence A073161 A073162 A073163
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KEYWORD
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easy,nonn
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AUTHOR
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Paul D. Hanna (pauldhanna(AT)juno.com), Jul 29 2002
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