Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).
%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