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Search: id:A020449
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A020449 Primes that contain digits 0 and 1 only. +0
20
11, 101, 10111, 101111, 1011001, 1100101, 10010101, 10011101, 10100011, 10101101, 10110011, 10111001, 11000111, 11100101, 11110111, 11111101, 100100111, 100111001, 101001001, 101001011, 101100011, 101101111, 101111011, 101111111 (list; graph; listen)
OFFSET

1,1

COMMENT

Primes which are the sums of distinct powers of 10. - Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Nov 19 2002

LINKS

T. D. Noe, Table of n, a(n) for n=1..1000

CROSSREFS

Sequence in context: A064490 A080439 A098153 this_sequence A089971 A082620 A103992

Adjacent sequences: A020446 A020447 A020448 this_sequence A020450 A020451 A020452

KEYWORD

nonn,base

AUTHOR

David W. Wilson (davidwwilson(AT)comcast.net)

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Last modified July 8 18:40 EDT 2008. Contains 141013 sequences.


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