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Search: id:A118601
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OFFSET
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1,2
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FORMULA
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a(n) = SUM[i=1..n] A058129(i). a(n) = SUM[i=1..n] (2*A058133(i) - A058132(i)).
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CROSSREFS
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Cf. A001329, A001423, A001426, A023814, A027851, A029851, A058108, A058132, A058133, A063756, A079173, A118581.
Sequence in context: A077002 A003704 A000250 this_sequence A005143 A121138 A074508
Adjacent sequences: A118598 A118599 A118600 this_sequence A118602 A118603 A118604
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KEYWORD
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hard,nonn
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AUTHOR
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Jonathan Vos Post (jvospost3(AT)gmail.com), May 08 2006
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EXTENSIONS
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One more term from Jonathan Vos Post (jvospost3(AT)gmail.com), Jul 20 2009
Edited by N. J. A. Sloane, Jul 25 2009
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