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A105101
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Sum of the vertices of ordered 3 prime sided prime triangles.
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0
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22, 83, 155, 235, 317, 417, 511, 613, 717, 809, 911, 1039, 1147, 1255, 1359, 1461, 1607, 1733, 1831, 1937, 2045, 2185, 2307, 2445, 2549, 2675, 2813, 2947, 3063, 3169, 3293, 3431, 3577, 3697, 3833, 3925, 4099, 4277, 4387, 4487, 4631, 4751, 4853, 4997
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OFFSET
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1,1
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COMMENTS
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LINKS
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EXAMPLE
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The first 3 prime sided prime triangle is
2
3 5
7 11 13
The vertices 2,7,13 add to 22, the first entry.
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PROG
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(PARI) sumvert3x3(n) = { local(x, j, s); forstep(x=1, n, 6, s = prime(x)+ prime(x+3)+ prime(x+5); print1(s", ") ) }
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CROSSREFS
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KEYWORD
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easy,nonn
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AUTHOR
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STATUS
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approved
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