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Search: id:A051858
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| A051858 |
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Values of B (the even leg) of a Pythagorean triangle with A and C both prime and part of a twin prime. |
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+0
5
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| 4, 12, 60, 180, 420, 5100, 60900, 135720, 161880, 163020, 218460, 595140, 1108560, 2574180, 2740140, 3248700, 3535140, 3723720, 3729180, 8197200, 13933920, 20218440, 23605320, 28569240, 33874680, 47248920, 68667480, 69372420
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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All terms of the sequence must be part of a pythagorean triple of the form (2u-1), 2u*(u-1), (2u^2 - 2u + 1). - Joshua Zucker (joshua.zucker(AT)stanfordalumni.org), May 11 2006
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CROSSREFS
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See A051642 for the A's and A051859 for the C's.
Sequence in context: A065125 A068525 A067755 this_sequence A084709 A057394 A054719
Adjacent sequences: A051855 A051856 A051857 this_sequence A051859 A051860 A051861
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KEYWORD
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nonn
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AUTHOR
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Stuart M. Ellerstein (ellerstein(AT)aol.com), Dec 14 1999
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EXTENSIONS
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a(11) corrected by the author, Jun 03 2002
More terms from Joshua Zucker (joshua.zucker(AT)stanfordalumni.org), May 11 2006
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