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Search: id:A106585
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| 1, 1, 2, 2, 1, 2, 5, 7, 7, 1, 2, 5, 13, 22, 29, 29, 1, 2, 5, 13, 34, 65, 101, 130, 130, 1, 2, 5, 13, 34, 89, 185, 322, 481, 611, 611, 1, 2, 5, 13, 34, 89, 233, 514, 973, 1613, 2354, 2965, 2965, 1, 2, 5, 13, 34, 89, 233, 610, 1405, 2837, 5090, 8185, 11761, 14726, 14726, 1, 2
(list; graph; listen)
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OFFSET
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0,3
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EXAMPLE
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1; 1,2,2; 1,2,5,7,7; 1,2,5,13,22,29,29; ...
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MAPLE
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A106580 := proc(n, k) option remember ; if k =0 then 1 ; else A106580(n, k-1)+add(A106580(n-2*i, k-i), i=1..min(k, floor(n/2), n-k)) ; fi ; end: for n from 0 to 18 by 2 do for k from 0 to n do printf("%d, ", A106580(n, k)) ; od ; od ; - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Aug 10 2007
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CROSSREFS
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Cf. A106580, A106595.
Sequence in context: A059594 A125678 A091562 this_sequence A057227 A162663 A005007
Adjacent sequences: A106582 A106583 A106584 this_sequence A106586 A106587 A106588
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KEYWORD
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nonn,tabf,easy
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com), May 30 2005
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EXTENSIONS
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More terms from R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Aug 10 2007
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