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A135180
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a(n) = p^5 - p^3 + p^2, where p = prime(n).
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1
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28, 225, 3025, 16513, 159841, 369265, 1415233, 2469601, 6424705, 20487601, 28600321, 69294673, 115788961, 146930785, 229243393, 418049425, 714722401, 844373041, 1349828833, 1803876481, 2072687905, 3076569601, 3938475745, 5583362401, 8586436993, 10509080401, 11591658625, 14024303713, 15384956401
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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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p=A000040(n): a(n) = p^5 - p^3 + p^2.
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EXAMPLE
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a(4)=16513 because the 4th prime number is 7, 7^5 = 16807, 7^3 = 343, 7^2 = 49 and 16807 - 343 + 49 = 16513.
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MATHEMATICA
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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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EXTENSIONS
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STATUS
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approved
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