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A066596
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Primes which can be expressed as concatenation of powers of 5 and 0's.
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0
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5, 11, 101, 151, 251, 1051, 1151, 1511, 2551, 5011, 5051, 5101, 5501, 10111, 10151, 10501, 11251, 11551, 12511, 15101, 15511, 15551, 25111, 50051, 50101, 50111, 50551, 51001, 51151, 51511, 51551, 52501, 52511, 55001
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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EXAMPLE
| 251 is a term as it is a concatenation of 25 and 1 which are powers of 5.
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CROSSREFS
| Sequence in context: A123025 A053778 A030079 * A199325 A199305 A096473
Adjacent sequences: A066593 A066594 A066595 * A066597 A066598 A066599
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KEYWORD
| base,easy,nonn
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AUTHOR
| Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Dec 21 2001
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EXTENSIONS
| Corrected and extended by Christopher Lund (clund(AT)san.rr.com), Apr 14 2002
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