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Search: id:A122428
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A122428 Numbers m such that in decimal representation the lexicographically greatest divisor of m equals the greatest prime factor of m. +0
2
1, 2, 3, 5, 7, 10, 11, 13, 14, 15, 17, 19, 20, 21, 23, 25, 28, 29, 31, 35, 37, 41, 42, 43, 47, 49, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 105, 106, 107, 109, 111, 113, 118, 122, 123, 125, 127, 129, 131, 134, 137, 139, 141, 142, 146, 147, 149, 151, 157, 158 (list; graph; listen)
OFFSET

1,2

COMMENT

A122425(a(n)) = A006530(a(n));

A008578 is a subsequence.

CROSSREFS

Sequence in context: A125975 A046758 A121232 this_sequence A087246 A109608 A118241

Adjacent sequences: A122425 A122426 A122427 this_sequence A122429 A122430 A122431

KEYWORD

nonn,base

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)lhsystems.com), Sep 04 2006

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Last modified July 26 13:41 EDT 2008. Contains 142293 sequences.


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