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A048295
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Sequence of 3 Pythagorean triangles, each with a leg and hypotenuse prime. The hypotenuse of each triangle is the leg of the next triangle.
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7
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271, 349, 3001, 10099, 11719, 12281, 25889, 39901, 46399, 63659, 169219, 250361, 264169, 287629, 289049, 312581, 353081, 440681, 473009, 502501, 502961, 541951, 594751, 620491, 627911, 632699, 704581, 757111, 762899, 922261, 959269
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OFFSET
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1,1
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LINKS
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FORMULA
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For each p(n), q=(p*p+1)/2, r=(q*q+1)/2, s=(r*r+1)/2 and p, q, r, s are all prime.
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EXAMPLE
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p(5)=271, q=36721, r=674215921, s=227283554064939121.
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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Harvey Dubner (harvey(AT)dubner.com)
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EXTENSIONS
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STATUS
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approved
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