|
%I #20 Apr 03 2023 10:36:09
%S 645,25761,212421,332949,656601,6212361,63560685,413435121,1112691009,
%T 1121315385,1239702465,2851612221,5616154545,6454103601,6689540901,
%U 9691152801,9728582781,11970358401,12028438605,15076352901,17402551365
%N Pseudoprimes k to base 2 such that k-2 and k+2 are primes.
%C B-file extended using Feitsma's tables of pseudoprimes. - _Giovanni Resta_, Aug 20 2018
%H Giovanni Resta, <a href="/A057942/b057942.txt">Table of n, a(n) for n = 1..7000</a> (first 73 terms from Amiram Eldar)
%H C. K. Caldwell, <a href="https://t5k.org/glossary/page.php?sort=Pseudoprime">Pseudoprimes</a>
%H Jan Feitsma and William Galway, <a href="http://www.cecm.sfu.ca/Pseudoprimes/index-2-to-64.html">Tables of pseudoprimes and related data</a>
%H Andrzej Rotkiewicz, <a href="http://dml.cz/dmlcz/137472">On pseudoprimes having special forms and a solution of K. Szymiczek's problem</a>, Acta Mathematica Universitatis Ostraviensis, Vol. 13, No. 1 (2005), pp. 57-71.
%H <a href="/index/Ps#pseudoprimes">Index entries for sequences related to pseudoprimes</a>
%Y Cf. A001567.
%K nonn
%O 1,1
%A _Patrick De Geest_, Oct 15 2000
%E More terms from _Don Reble_, Nov 03 2001
|
