This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A164824 #3 Mar 30 2012 18:40:50 %S A164824 10877,97921,113573,163081,186961,302101,1106327,1149851,1317121, %T A164824 1392169,1533601,1653601,1690501,3218801,3338221,3399527,3967201, %U A164824 7405201,7640137,7678321,9264097,9439201,9532033,9582145,10237921 %N A164824 Lucas pseudoprimes whose reversal is prime. %F A164824 A005845 INTERSECTION (A006567 UNION A007500). {n in A005845 such that A004086(n) is in A000040}. {n such that n | (L_n - 1), where n is composite and L_n = Lucas numbers A000032, and R(n) is prime}. %e A164824 a(1) = 10877 = 73 * 149 because that is the 8th Lucas pseudoprime, and its reversal 77801 is prime. %Y A164824 Cf. A000040, A004086, A005845, A006567, A007500. %K A164824 easy,nonn,base,less %O A164824 1,1 %A A164824 _Jonathan Vos Post_, Aug 27 2009 %E A164824 More terms from _R. J. Mathar_, Sep 27 2009