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A327447
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a(n) = 4*p(n-1)*p(n+1) - p(n)^2, where p(k) = k-th prime.
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2
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31, 59, 171, 243, 579, 699, 1203, 1675, 2011, 3331, 3715, 4683, 5859, 6907, 8283, 9451, 12091, 12835, 14523, 17107, 17995, 21235, 24283, 26547, 29763, 32619, 33459, 36483, 42603, 43083, 52435, 54067, 62331, 61755, 70771, 73803, 78307, 84907, 89643, 93211, 103995, 103251, 113259, 114819, 126667, 132987, 141859
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OFFSET
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2,1
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COMMENTS
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It follows from Mitrinovic et al., Sect. VII.18(b) that a(n) >0 for all n.
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REFERENCES
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D. S. Mitrinovic et al., Handbook of Number Theory, Kluwer, 1996.
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LINKS
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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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