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A087325
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Numbers n such that n and its 10's complement both have the same prime signature.
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1
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3, 5, 7, 11, 14, 15, 17, 26, 29, 30, 35, 38, 41, 47, 50, 53, 59, 62, 65, 70, 71, 74, 83, 85, 86, 89, 94, 97, 110, 111, 113, 122, 129, 132, 134, 137, 140, 150, 153, 158, 170, 173, 174, 179, 183, 185, 186, 187, 191, 195, 201, 206, 209, 212, 215, 219, 221, 227, 236
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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COMMENTS
| Conjecture: (1) Sequence is infinite. (2) For every prime signature there corresponds a term in this sequence.
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EXAMPLE
| 35 is a member as 35= 5*7 and its 10's complement (100-35) = 65 = 13*5 both have the prime signature p*q.
35 is a member as 35 = 5*7 and its 10's complement (100-35) = 65 = 13*5 both have the prime signature p*q.
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CROSSREFS
| Cf. A087324.
Sequence in context: A108817 A123677 A133954 * A072151 A029626 A111622
Adjacent sequences: A087322 A087323 A087324 * A087326 A087327 A087328
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KEYWORD
| base,nonn
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AUTHOR
| Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Sep 04 2003
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EXTENSIONS
| More terms from David Wasserman (wasserma(AT)spawar.navy.mil), May 06 2005
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