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Search: id:A066593
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A066593 Primes which can be expressed as concatenation of powers of 2 and 0's. +0
2
2, 11, 41, 101, 181, 211, 241, 281, 401, 421, 641, 811, 821, 881, 1021, 1181, 1201, 1321, 1481, 1601, 1621, 1801, 1811, 2011, 2081, 2111, 2141, 2161, 2221, 2281, 2411, 2441, 2801, 3221, 4001, 4021, 4111, 4201, 4211, 4241, 4421, 4441, 4481 (list; graph; listen)
OFFSET

1,1

EXAMPLE

1321 is a term as it is a concatenation of 1, 32 and 1 which are powers of 2.

CROSSREFS

Cf. A066591, A066592.

Sequence in context: A154813 A080093 A078746 this_sequence A062256 A024522 A144841

Adjacent sequences: A066590 A066591 A066592 this_sequence A066594 A066595 A066596

KEYWORD

base,easy,nonn

AUTHOR

Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Dec 21 2001

EXTENSIONS

Corrected and extended by Christopher Lund (clund(AT)san.rr.com), Apr 14 2002

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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