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Search: id:A093797
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| A093797 |
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In the sequence of prime powers (A000961), replace perfect powers by their repeating factors. |
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+0
1
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| 1, 2, 3, 2, 2, 5, 7, 2, 2, 2, 3, 3, 11, 13, 2, 2, 2, 2, 17, 19, 23, 5, 5, 3, 3, 3, 29, 31, 2, 2, 2, 2, 2, 37, 41, 43, 47, 7, 7, 53, 59, 61, 2, 2, 2, 2, 2, 2, 67, 71, 73, 79, 3, 3, 3, 3, 83, 89, 97, 101, 103, 107, 109, 113, 11, 11, 5, 5, 5, 127, 2, 2, 2, 2, 2, 2, 2, 131, 137, 139, 149
(list; graph; listen)
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OFFSET
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1,2
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EXAMPLE
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[1, 2, 3, 4, 5, 7, 8, 9, 11, 13, 16, 17, 19, 23, 25, 27, 29, 31, 32, ...],
[1, 2, 3, (2, 2), 5, 7, (2, 2, 2), (3, 3), 11, 13, (2, 2, 2, 2), 17, 19, ...],
[1; 2; 3; 2, 2; 5; 7; 2, 2, 2; 3, 3; 11; 13; 2, 2, 2, 2; 17, 19; 23; 5, 5; 3, ...].
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CROSSREFS
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Cf. A027746.
Sequence in context: A118665 A027746 A128651 this_sequence A119809 A007653 A134142
Adjacent sequences: A093794 A093795 A093796 this_sequence A093798 A093799 A093800
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KEYWORD
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nonn,tabf
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AUTHOR
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Reinhard Zumkeller (reinhard.zumkeller(AT)lhsystems.com), May 18 2004
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