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A137631
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Left border of triangle A137629.
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1
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1, 2, 4, 7, 11, 18, 26, 39, 55, 79, 106, 150, 196, 267
(list;
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refs;
listen;
history;
text;
internal format)
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OFFSET
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1,2
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LINKS
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Table of n, a(n) for n=1..14.
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FORMULA
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A026794 * A000041 = product of the partition triangle and the partitions of n.
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EXAMPLE
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a(4) = 7 = (3, 1, 0, 1) dot (1, 1, 2, 3), where (3, 1, 0, 1) = row 4 of the partition triangle A026794 and (1, 1, 2, 3) = the first 4 terms of A000041.
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CROSSREFS
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Cf. A000041, A026794, A137629.
Sequence in context: A216116 A129929 A073738 * A003403 A034412 A054352
Adjacent sequences: A137628 A137629 A137630 * A137632 A137633 A137634
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KEYWORD
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nonn
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AUTHOR
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Gary W. Adamson, Jan 31 2008
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STATUS
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approved
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