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A080177 Non-palindromic primes which on subtracting their reversal gives perfect squares. +0
1
43, 73, 2141, 2251, 4253, 4363, 4583, 6701, 7211, 7321, 7541, 8147, 8923, 9103, 9323, 9433, 40093, 40193, 40493, 40693, 40993, 80897, 102101, 105401, 106501, 108401, 109001, 112111, 114311, 118411, 121021, 124021, 127321, 135131, 135431, 136531 (list; graph; listen)
OFFSET

1,1

EXAMPLE

a(2)=73 because 73-37=36 which is a perfect square.

CROSSREFS

Sequence in context: A087699 A054807 A139932 this_sequence A121957 A118075 A045238

Adjacent sequences: A080174 A080175 A080176 this_sequence A080178 A080179 A080180

KEYWORD

base,nonn

AUTHOR

Shyam Sunder Gupta (guptass(AT)rediffmail.com), Mar 16 2003

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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.


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