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A332923
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2*a(n) are the perimeters of distinct triangles with integer sides i <= j <= k, whose area equals 3 times their perimeter. Terms occurring more than once belong to different triangles.
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0
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32, 34, 35, 35, 36, 40, 42, 44, 45, 54, 55, 56, 56, 63, 64, 68, 70, 76, 76, 77, 80, 84, 87, 90, 91, 91, 104, 115, 119, 130, 132, 140, 146, 161, 165, 196, 208, 220, 230, 301, 399, 410, 520, 741, 1406
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OFFSET
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1,1
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COMMENTS
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There are 45 integer-sided triangles with 3*area = perimeter, with terms 35, 56, 76, and 91 corresponding to pairs of such triangles with different sides.
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LINKS
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CROSSREFS
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The 41 terms of A289219, divided by 6, are all terms of this sequence, but omitting distinct triangles with identical perimeters.
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KEYWORD
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nonn,fini,full
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AUTHOR
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STATUS
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approved
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