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A140680
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a(n) = n*(3*n+16).
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7
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0, 19, 44, 75, 112, 155, 204, 259, 320, 387, 460, 539, 624, 715, 812, 915, 1024, 1139, 1260, 1387, 1520, 1659, 1804, 1955, 2112, 2275, 2444, 2619, 2800, 2987, 3180, 3379, 3584, 3795, 4012, 4235, 4464, 4699, 4940, 5187, 5440, 5699
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OFFSET
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0,2
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LINKS
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FORMULA
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a(n) = 3*n^2 + 16*n.
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MATHEMATICA
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Table[n(3n+16), {n, 0, 50}] (* or *) LinearRecurrence[{3, -3, 1}, {0, 19, 44}, 50] (* Harvey P. Dale, Aug 23 2020 *)
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PROG
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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STATUS
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approved
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