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Search: id:A071913
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| 1, 4, 9, 27, 81, 256, 1024, 4096, 16384, 78125, 390625, 1953125, 10077696, 60466176, 362797056, 2176782336, 13841287201, 96889010407, 678223072849, 4747561509943, 35184372088832, 281474976710656, 2251799813685248
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OFFSET
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1,2
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COMMENT
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All of entries shown are perfect powers.
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MATHEMATICA
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a = Table[0, {15}]; Do[ b = Length[ Union[ Table[ Floor[n^(1/k)], {k, 2, 20}]]]; If[ a[[b]] == 0, a[[b]] = n], {n, 1, 10^6}]; a
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CROSSREFS
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Cf. A069624.
Sequence in context: A164342 A034527 A111962 this_sequence A007872 A087726 A101973
Adjacent sequences: A071910 A071911 A071912 this_sequence A071914 A071915 A071916
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KEYWORD
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nonn
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AUTHOR
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Robert G. Wilson v (rgwv(AT)rgwv.com), Jun 14 2002
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