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1, 2, 4, 7, 11, 17, 25, 36, 50, 68, 92, 121, 159, 205, 262, 332, 417, 520, 645, 793, 971, 1180, 1430, 1722, 2065, 2467, 2934, 3478, 4109, 4835, 5676, 6638, 7747, 9013, 10459, 12108, 13980, 16110, 18522, 21247, 24333, 27800, 31715, 36106, 41039, 46567
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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0,2
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LINKS
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PROG
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(Magma) function a007294(n, k) return n gt k*(k+1)/2 select a007294(n-k*(k+1)/2, k) + a007294(n, k+1) else n eq k*(k+1)/2 select 1 else 0; end function; [ a007294(n, 2): n in [2..137 by 3] ]; // Klaus Brockhaus, Jan 23 2009
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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