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A066595
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Primes which can be expressed as concatenation of powers of 4 and 0's.
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0
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11, 41, 101, 401, 641, 1601, 4001, 4111, 4441, 10111, 10141, 11161, 11411, 14011, 14401, 14411, 16001, 16111, 16141, 16411, 25601, 40111, 40961, 41011, 41141, 41161, 41411, 41611, 41641, 44041, 44101, 44111
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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EXAMPLE
| 641 is a term as it is a concatenation of 64 and 1 which are powers of 4.
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CROSSREFS
| Sequence in context: A065145 A030685 A132208 * A195117 A027086 A075985
Adjacent sequences: A066592 A066593 A066594 * A066596 A066597 A066598
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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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