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Search: id:A153157
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| 16, 81, 625, 1296, 2401, 10000, 14641, 20736, 28561, 38416, 50625, 83521, 104976, 130321, 160000, 194481, 234256, 279841, 331776, 456976, 614656, 707281, 810000, 923521, 1185921, 1336336, 1500625, 1874161, 2085136, 2313441, 2560000, 2825761
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OFFSET
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1,1
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COMMENT
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2^4=16,3^4=81,4^4=256=2^8 is not in the sequence,5^4=625,6^4=1296,...
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MATHEMATICA
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Select[Range[2, 100], GCD@@Last/@FactorInteger@#==1&]^4
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CROSSREFS
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Cf. A007916, A153147, A153158, A153159, A153160, A113849.
Sequence in context: A056118 A134606 A108941 this_sequence A113849 A046453 A030514
Adjacent sequences: A153154 A153155 A153156 this_sequence A153158 A153159 A153160
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KEYWORD
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nonn
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AUTHOR
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Vladimir Orlovsky (4vladimir(AT)gmail.com), Dec 19 2008
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EXTENSIONS
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Edited by Ray Chandler (rayjchandler(AT)sbcglobal.net), Dec 22 2008
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