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A138434
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a(n) = ((n-th prime)^5-(n-th prime)^3)/4.
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3
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6, 54, 750, 4116, 39930, 92274, 353736, 617310, 1606044, 5121690, 7149840, 17323326, 28946820, 36732234, 57310296, 104511654, 178679730, 211092330, 337456086, 450967860, 518170644, 769140840, 984617214, 1395838620
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OFFSET
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1,1
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LINKS
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FORMULA
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MATHEMATICA
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a = {}; Do[p = Prime[n]; AppendTo[a, (p^5 - p^3)/4], {n, 1, 50}]; a
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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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