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A106595
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Triangle read by rows: odd-numbered rows of A106580.
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2
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1, 1, 1, 2, 3, 3, 1, 2, 5, 9, 12, 12, 1, 2, 5, 13, 26, 41, 53, 53, 1, 2, 5, 13, 34, 73, 129, 194, 247, 247, 1, 2, 5, 13, 34, 89, 201, 386, 645, 945, 1192, 1192, 1, 2, 5, 13, 34, 89, 233, 546, 1117, 2021, 3266, 4705, 5897, 5897
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,4
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EXAMPLE
| 1,1; 1,2,3,3; 1,2,5,9,12,12; 1,2,5,13,26,41,53,53; ...
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MAPLE
| 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 1 to 13 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), May 02 2007
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CROSSREFS
| Cf. A106580, A106585.
Sequence in context: A108132 A106589 A051911 * A181608 A109199 A172528
Adjacent sequences: A106592 A106593 A106594 * A106596 A106597 A106598
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KEYWORD
| nonn,tabf,easy
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com), May 30 2005
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EXTENSIONS
| More terms from R. J. Mathar (mathar(AT)strw.leidenuniv.nl), May 02 2007
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