%I #10 Mar 03 2018 18:30:23
%S 7,37,5,11,71,13,14197,337,6553,181,23,174659,193,131,500111,379,61,
%T 601,17,4241,17050729021,19,163,10814953,25309,8861,8352709,727,859,
%U 47,44483,17389,1933,51361,1440528320401,313,31357,36174709,2053,29,376853,59,349
%N List of primitive prime divisors of the numbers 4^n-3^n (A005061) in their order of occurrence.
%C Read A005061 term-by-term, factorize each term, write down any primes not seen before.
%H G. Everest et al., <a href="http://www.jstor.org/stable/27642221">Primes generated by recurrence sequences</a>, Amer. Math. Monthly, 114 (No. 5, 2007), 417-431.
%H K. Zsigmondy, <a href="https://doi.org/10.1007%2FBF01692444">Zur Theorie der Potenzreste</a>, Monatsh. Math., 3 (1892), 265-284.
%Y Cf. A005061, A129736, A059801, A129733.
%K nonn
%O 1,1
%A _N. J. A. Sloane_, May 13 2007