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Search: id:A164345
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| A164345 |
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Powers of primes where the exponents are not powers of primes. |
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1
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| 1, 64, 729, 1024, 4096, 15625, 16384, 32768, 59049, 117649, 262144, 531441, 1048576, 1771561, 2097152, 4194304, 4782969, 4826809, 9765625, 14348907, 16777216, 24137569, 47045881, 67108864, 148035889, 244140625, 268435456
(list; graph; listen)
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OFFSET
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1,2
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COMMENT
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First differs from A164337, after the initial 1 in this sequence: 2^64 = 18446744073709551616 is in sequence A164337, but is not in this sequence.
This sequence contains those powers of primes that are not in sequence A096165.
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EXAMPLE
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2^12 = 4096. Since 2 is prime, and since 12 is not a power of a prime, then 4096 is in this sequence.
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CROSSREFS
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A096165
Sequence in context: A048392 A161861 A074471 this_sequence A164337 A161860 A016899
Adjacent sequences: A164342 A164343 A164344 this_sequence A164346 A164347 A164348
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KEYWORD
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nonn
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AUTHOR
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Leroy Quet (q1qq2qqq3qqqq(AT)yahoo.com), Aug 13 2009
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EXTENSIONS
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Extended beyond 16384 by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Sep 27 2009
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