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A098134
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Number of triangles with corners on the integer lattice Z X Z (up to translations, rotations and reflections), the square of the longest side equal to A001481.
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0
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0, 0, 1, 1, 4, 2, 2, 7, 8, 5, 10, 7, 13, 20, 17, 19
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OFFSET
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0,5
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LINKS
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EXAMPLE
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a(3) = 1 because there is only 1 triangle on the integer lattice Z*Z where the square of the longest side is equal to A001481(3) = 4; its a triangle with sides 2, sqrt(2), sqrt(2).
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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