|
%I #7 Jul 05 2013 13:25:01
%S 1100090011,1100900011,1103093011,1103903011,1154094511,1154904511,
%T 1213093121,1213903121,1304094031,1304904031,1364094631,1364904631,
%U 1367097631,1367907631,1421091241,1421901241,1450090541,1450900541,1466096641,1466906641,1495095941,1495905941,1498098941,1498908941
%N Emirps (A006567) whose difference with the reversal is a perfect 4th power (A000583).
%C This is to A217387 as perfect 4th powers (A000583) are to perfect cubes (A000578), and as A217386 is to perfect squares (A000290). Subset of A217386, since every perfect 4th power is a perfect square (though not vice versa). In these terms all the difference are equal to 30^4.
%C Values a(1) through a(24) supplied by _Giovanni Resta_.
%Y Cf. A004086, A006567, A217286, A217386, A217387, 217591.
%K nonn,base
%O 1,1
%A _Jonathan Vos Post_, Oct 06 2012
|
