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Search: id:A083507
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| A083507 |
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n-th row of the following triangle contains all distinct numbers that can be obtained as the product of three distinct numbers chosen from 1 to n (for n>2). Sequence contains the triangle read by rows. |
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+0
2
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| 6, 6, 8, 12, 24, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 6, 8, 10, 12, 15, 18, 20, 24, 30, 36, 40, 48, 60, 72, 90, 120, 6, 8, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 48, 56, 60, 70, 72, 84, 90, 105, 120, 126, 140, 168, 210, 6, 8, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28
(list; graph; listen)
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OFFSET
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3,1
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REFERENCES
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Amarnath Murthy, Generalization of partition function introducing Smarandache Factor Partitions, Smarandache Notions Journal, 1-2-3, Vol. 11, 2000.
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EXAMPLE
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6
6,8,12,24
6,8,10,12,15,20,24,30,40,60
6,8,10,12,15,18,20,24,30,36,40,48,60,72,90
...
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CROSSREFS
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Numbers of terms in rows are given by A027430.
Sequence in context: A000509 A141218 A160257 this_sequence A157320 A019851 A155880
Adjacent sequences: A083504 A083505 A083506 this_sequence A083508 A083509 A083510
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KEYWORD
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nonn,tabf
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AUTHOR
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Amarnath Murthy and Meenakshi Srikanth (amarnath_murthy(AT)yahoo.com), May 05 2003
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EXTENSIONS
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More terms from David Wasserman (wasserma(AT)spawar.navy.mil), Nov 18 2004
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