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Search: id:A068893
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A068893 Nonpalindromic n and its digit reversal both have the same prime signature. +0
2
13, 15, 17, 26, 31, 37, 39, 51, 58, 62, 71, 73, 79, 85, 93, 97, 107, 113, 115, 117, 122, 123, 129, 143, 149, 155, 157, 158, 159, 165, 167, 169, 177, 178, 179, 183, 185, 187, 199, 203, 205, 221, 226, 246, 265, 285, 286, 294, 302, 311, 314, 319, 321, 326, 327 (list; graph; listen)
OFFSET

0,1

EXAMPLE

15 is a term as 15 = 3*5 and 51 = 3*17,= p*q where p and q are primes.

CROSSREFS

Cf. A085869.

Adjacent sequences: A068890 A068891 A068892 this_sequence A068894 A068895 A068896

Sequence in context: A031060 A120129 A109019 this_sequence A079829 A096090 A037286

KEYWORD

base,easy,nonn

AUTHOR

Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Mar 20 2002

EXTENSIONS

More terms from David Wasserman (dwasserm(AT)earthlink.net), Apr 19 2005

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Last modified October 5 16:50 EDT 2008. Contains 144613 sequences.


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