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A138455
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a(n) = ((n-th prime)^6-(n-th prime)^4)/4.
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3
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12, 162, 3750, 28812, 439230, 1199562, 6013512, 11728890, 36939012, 148529010, 221645040, 640963062, 1186819620, 1579486062, 2693583912, 5539117662, 10542104070, 12876632130, 22609557762, 32018718060, 37826457012
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OFFSET
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1,1
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COMMENTS
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LINKS
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MAPLE
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f:= proc(n) local p;
p:= ithprime(n); (p^6-p^4)/4
end proc:
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MATHEMATICA
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a = {}; Do[p = Prime[n]; AppendTo[a, (p^6 - p^4)/4], {n, 1, 24}]; 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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