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Increasing gaps between 2-pseudoprimes (lower end).
4

%I #10 Jan 15 2024 19:39:09

%S 341,645,3277,4681,5461,6601,11305,16705,19951,25761,35333,68101,

%T 75361,93961,137149,294409,367081,688213,950797,1207361,2035153,

%U 2537641,3235699,6386993,7040001,12096613,19781763,24356377,34944001,49664207,50523661

%N Increasing gaps between 2-pseudoprimes (lower end).

%C A175738 is the main entry for this sequence.

%H Charles R Greathouse IV, <a href="/A175736/b175736.txt">Table of n, a(n) for n = 1..207</a>

%H <a href="/index/Ps#pseudoprimes">Index entries for sequences related to pseudoprimes</a>

%Y Cf. A175737 (upper end), A175738.

%K nonn

%O 1,1

%A _Charles R Greathouse IV_, Aug 28 2010