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Search: id:A122819
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| A122819 |
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Array read by rows in which the n-th row contains smallest odd numbers in increasing order of all possible prime signatures with n divisors. |
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+0
6
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| 1, 3, 9, 15, 27, 81, 45, 243, 729, 105, 135, 2187, 225, 6561, 405, 19683, 59049, 315, 675, 1215, 177147, 531441, 3645, 1594323, 2025, 4782969, 945, 1155, 3375, 10935, 14348907, 43046721, 1575, 6075, 32805, 129140163, 387420489, 2835, 10125, 98415
(list; graph; listen)
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OFFSET
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1,2
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COMMENT
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n-th row contains A001055(n) terms.
First item of each row gives A038547.
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EXAMPLE
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Table begins:
1,
3,
9,
15,27,
81,
45,243,
729,
105,135,2187,
...
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CROSSREFS
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Cf. A001055, A038547, A077569.
Sequence in context: A147516 A131822 A131801 this_sequence A099409 A002127 A061810
Adjacent sequences: A122816 A122817 A122818 this_sequence A122820 A122821 A122822
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KEYWORD
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nonn,tabf
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AUTHOR
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Ray Chandler (rayjchandler(AT)sbcglobal.net), Sep 22 2006
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