%I A057942
%S A057942 645,25761,212421,332949,656601,6212361,63560685,413435121,1112691009,
%T A057942 1121315385,1239702465,2851612221,5616154545,6454103601,6689540901,
%U A057942 9691152801,9728582781,11970358401,12028438605,15076352901,17402551365
%N A057942 Pseudoprimes k to base 2 such that k-2 and k+2 are primes.
%H A057942 C. K. Caldwell, <a href="http://primes.utm.edu/glossary/page.php?sort=Pseudoprime">
               Pseudoprimes</a>
%H A057942 <a href="Sindx_Ps.html#pseudoprimes">Index entries for sequences related 
               to pseudoprimes</a>
%Y A057942 Cf. A001567.
%Y A057942 Sequence in context: A100873 A063844 A067845 this_sequence A046020 A108821 
               A035885
%Y A057942 Adjacent sequences: A057939 A057940 A057941 this_sequence A057943 A057944 
               A057945
%K A057942 nonn
%O A057942 0,1
%A A057942 Patrick De Geest (pdg(AT)worldofnumbers.com), Oct 15 2000.
%E A057942 More terms from Don Reble (djr(AT)nk.ca), Nov 03 2001