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Search: id:A107787
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| A107787 |
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Golden semiprimes that are not brilliant numbers. |
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+0
1
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| 77, 7303, 10033, 15229, 644251, 706609, 836197, 870071, 936791, 1027333, 1177993, 1261807, 1366553, 1433143, 1525441, 1608161, 62259511, 62782091, 63462979, 64441621, 64973261, 65427751, 65599201, 65837659, 66043093, 66834373, 67966247, 70635437, 70882871
(list; graph; listen)
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OFFSET
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1,1
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EXAMPLE
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7303=67*109 is in the sequence because abs(67*phi-109) = 0.59172... < 1 and its prime factors have an unequal number of decimal digits.
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CROSSREFS
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Cf. A108540, A078972.
Sequence in context: A004378 A049658 A116319 this_sequence A099638 A046191 A115616
Adjacent sequences: A107784 A107785 A107786 this_sequence A107788 A107789 A107790
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KEYWORD
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base,nonn
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AUTHOR
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Jason Earls (zevi_35711(AT)yahoo.com), Jun 14 2005
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EXTENSIONS
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More terms from Donovan Johnson (donovan.johnson(AT)yahoo.com), Mar 06 2008
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