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Search: id:A135177
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| A135177 |
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p^3 - p^2. Exponents are the prime numbers in decreasing order and p is the n-th prime. |
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+0 57
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| 4, 18, 100, 294, 1210, 2028, 4624, 6498, 11638, 23548, 28830, 49284, 67240, 77658, 101614, 146068, 201898, 223260, 296274, 352870, 383688, 486798, 564898, 697048, 903264, 1020100, 1082118, 1213594, 1283148, 1430128, 2032254, 2230930
(list; graph; listen)
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OFFSET
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1,1
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FORMULA
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p=A000040(n): a(n)= p^3 - p^2.
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EXAMPLE
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a(4)=294 because the 4th prime number is 7, 7^3=343, 7^2=49 and 343-49=294.
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MATHEMATICA
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Table[Prime[n]^3-Prime[n]^2, {n, 1, 12}] (from Vladimir Orlovsky (4vladimir(AT)gmail.com), Apr 29 2008)
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CROSSREFS
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Cf. p^2: A001248. p^3: A030078.
Sequence in context: A020072 A020027 A084832 this_sequence A137958 A064852 A159666
Adjacent sequences: A135174 A135175 A135176 this_sequence A135178 A135179 A135180
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KEYWORD
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nonn
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AUTHOR
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Omar E. Pol (info(AT)polprimos.com), Nov 25 2007
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